diff --git a/user/amd/build/participantsfilter.min.js b/user/amd/build/participantsfilter.min.js
index 0e6d74a2f04..2a5efd0d34a 100644
--- a/user/amd/build/participantsfilter.min.js
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diff --git a/user/amd/build/participantsfilter.min.js.map b/user/amd/build/participantsfilter.min.js.map
index 4f67ea502e5..ae59874a889 100644
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+++ b/user/amd/build/participantsfilter.min.js.map
@@ -1 +1 @@
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Participants filter managemnet.\n *\n * @module     core_user/participants_filter\n * @package    core_user\n * @copyright  2020 Andrew Nicols <andrew@nicols.co.uk>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\nimport CourseFilter from './local/participantsfilter/filtertypes/courseid';\nimport * as DynamicTable from 'core_table/dynamic';\nimport GenericFilter from './local/participantsfilter/filter';\nimport {get_strings as getStrings} from 'core/str';\nimport Notification from 'core/notification';\nimport Selectors from './local/participantsfilter/selectors';\nimport Templates from 'core/templates';\n\n/**\n * Initialise the participants filter on the element with the given id.\n *\n * @param {String} participantsRegionId\n */\nexport const init = participantsRegionId => {\n    // Keep a reference to the filterset.\n    const filterSet = document.querySelector(`#${participantsRegionId}`);\n\n    // Keep a reference to all of the active filters.\n    const activeFilters = {\n        courseid: new CourseFilter('courseid', filterSet),\n    };\n\n    /**\n     * Get the filter list region.\n     *\n     * @return {HTMLElement}\n     */\n    const getFilterRegion = () => filterSet.querySelector(Selectors.filterset.regions.filterlist);\n\n    /**\n     * Add an unselected filter row.\n     *\n     * @return {Promise}\n     */\n    const addFilterRow = () => {\n        const rownum = 1 + getFilterRegion().querySelectorAll(Selectors.filter.region).length;\n        return Templates.renderForPromise('core_user/local/participantsfilter/filterrow', {\"rownumber\": rownum})\n        .then(({html, js}) => {\n            const newContentNodes = Templates.appendNodeContents(getFilterRegion(), html, js);\n\n            return newContentNodes;\n        })\n        .then(filterRow => {\n            // Note: This is a nasty hack.\n            // We should try to find a better way of doing this.\n            // We do not have the list of types in a readily consumable format, so we take the pre-rendered one and copy\n            // it in place.\n            const typeList = filterSet.querySelector(Selectors.data.typeList);\n\n            filterRow.forEach(contentNode => {\n                const contentTypeList = contentNode.querySelector(Selectors.filter.fields.type);\n\n                if (contentTypeList) {\n                    contentTypeList.innerHTML = typeList.innerHTML;\n                }\n            });\n\n            return filterRow;\n        })\n        .then(filterRow => {\n            updateFiltersOptions();\n\n            return filterRow;\n        })\n        .catch(Notification.exception);\n    };\n\n    /**\n     * Get the filter data source node fro the specified filter type.\n     *\n     * @param {String} filterType\n     * @return {HTMLElement}\n     */\n    const getFilterDataSource = filterType => {\n        const filterDataNode = filterSet.querySelector(Selectors.filterset.regions.datasource);\n\n        return filterDataNode.querySelector(Selectors.data.fields.byName(filterType));\n    };\n\n    /**\n     * Add a filter to the list of active filters, performing any necessary setup.\n     *\n     * @param {HTMLElement} filterRow\n     * @param {String} filterType\n     * @param {Array} initialFilterValues The initially selected values for the filter\n     * @returns {Filter}\n     */\n    const addFilter = async(filterRow, filterType, initialFilterValues) => {\n        // Name the filter on the filter row.\n        filterRow.dataset.filterType = filterType;\n\n        const filterDataNode = getFilterDataSource(filterType);\n\n        // Instantiate the Filter class.\n        let Filter = GenericFilter;\n        if (filterDataNode.dataset.filterTypeClass) {\n            Filter = await import(filterDataNode.dataset.filterTypeClass);\n        }\n        activeFilters[filterType] = new Filter(filterType, filterSet, initialFilterValues);\n\n        // Disable the select.\n        const typeField = filterRow.querySelector(Selectors.filter.fields.type);\n        typeField.value = filterType;\n        typeField.disabled = 'disabled';\n\n        // Update the list of available filter types.\n        updateFiltersOptions();\n\n        return activeFilters[filterType];\n    };\n\n    /**\n     * Get the registered filter class for the named filter.\n     *\n     * @param {String} name\n     * @return {Object} See the Filter class.\n     */\n    const getFilterObject = name => {\n        return activeFilters[name];\n    };\n\n    /**\n     * Remove or replace the specified filter row and associated class, ensuring that if there is only one filter row,\n     * that it is replaced instead of being removed.\n     *\n     * @param {HTMLElement} filterRow\n     */\n    const removeOrReplaceFilterRow = filterRow => {\n        const filterCount = getFilterRegion().querySelectorAll(Selectors.filter.region).length;\n\n        if (filterCount === 1) {\n            replaceFilterRow(filterRow);\n        } else {\n            removeFilterRow(filterRow);\n        }\n    };\n\n    /**\n     * Remove the specified filter row and associated class.\n     *\n     * @param {HTMLElement} filterRow\n     */\n    const removeFilterRow = async filterRow => {\n        // Remove the filter object.\n        removeFilterObject(filterRow.dataset.filterType);\n\n        // Remove the actual filter HTML.\n        filterRow.remove();\n\n        // Update the list of available filter types.\n        updateFiltersOptions();\n\n        // Refresh the table.\n        updateTableFromFilter();\n\n        // Update filter fieldset legends.\n        const filterLegends = await getAvailableFilterLegends();\n\n        getFilterRegion().querySelectorAll(Selectors.filter.region).forEach((filterRow, index) => {\n            filterRow.querySelector('legend').innerText = filterLegends[index];\n        });\n\n    };\n\n    /**\n     * Replace the specified filter row with a new one.\n     *\n     * @param {HTMLElement} filterRow\n     * @param {Number} rowNum The number used to label the filter fieldset legend (eg Row 1). Defaults to 1 (the first filter).\n     * @return {Promise}\n     */\n    const replaceFilterRow = (filterRow, rowNum = 1) => {\n        // Remove the filter object.\n        removeFilterObject(filterRow.dataset.filterType);\n\n        return Templates.renderForPromise('core_user/local/participantsfilter/filterrow', {\"rownumber\": rowNum})\n        .then(({html, js}) => {\n            const newContentNodes = Templates.replaceNode(filterRow, html, js);\n\n            return newContentNodes;\n        })\n        .then(filterRow => {\n            // Note: This is a nasty hack.\n            // We should try to find a better way of doing this.\n            // We do not have the list of types in a readily consumable format, so we take the pre-rendered one and copy\n            // it in place.\n            const typeList = filterSet.querySelector(Selectors.data.typeList);\n\n            filterRow.forEach(contentNode => {\n                const contentTypeList = contentNode.querySelector(Selectors.filter.fields.type);\n\n                if (contentTypeList) {\n                    contentTypeList.innerHTML = typeList.innerHTML;\n                }\n            });\n\n            return filterRow;\n        })\n        .then(filterRow => {\n            updateFiltersOptions();\n\n            return filterRow;\n        })\n        .then(filterRow => {\n            // Refresh the table.\n            updateTableFromFilter();\n\n            return filterRow;\n        })\n        .catch(Notification.exception);\n    };\n\n    /**\n     * Remove the Filter Object from the register.\n     *\n     * @param {string} filterName The name of the filter to be removed\n     */\n    const removeFilterObject = filterName => {\n        if (filterName) {\n            const filter = getFilterObject(filterName);\n            if (filter) {\n                filter.tearDown();\n\n                // Remove from the list of active filters.\n                delete activeFilters[filterName];\n            }\n        }\n    };\n\n    /**\n     * Remove all filters.\n     *\n     * @returns {Promise}\n     */\n    const removeAllFilters = () => {\n        const filters = getFilterRegion().querySelectorAll(Selectors.filter.region);\n        filters.forEach(filterRow => removeOrReplaceFilterRow(filterRow));\n\n        // Refresh the table.\n        return updateTableFromFilter();\n    };\n\n    /**\n     * Remove any empty filters.\n     */\n    const removeEmptyFilters = () => {\n        const filters = getFilterRegion().querySelectorAll(Selectors.filter.region);\n        filters.forEach(filterRow => {\n            const filterType = filterRow.querySelector(Selectors.filter.fields.type);\n            if (!filterType.value) {\n                removeOrReplaceFilterRow(filterRow);\n            }\n        });\n    };\n\n    /**\n     * Update the list of filter types to filter out those already selected.\n     */\n    const updateFiltersOptions = () => {\n        const filters = getFilterRegion().querySelectorAll(Selectors.filter.region);\n        filters.forEach(filterRow => {\n            const options = filterRow.querySelectorAll(Selectors.filter.fields.type + ' option');\n            options.forEach(option => {\n                if (option.value === filterRow.dataset.filterType) {\n                    option.classList.remove('hidden');\n                    option.disabled = false;\n                } else if (activeFilters[option.value]) {\n                    option.classList.add('hidden');\n                    option.disabled = true;\n                } else {\n                    option.classList.remove('hidden');\n                    option.disabled = false;\n                }\n            });\n        });\n\n        // Configure the state of the \"Add row\" button.\n        // This button is disabled when there is a filter row available for each condition.\n        const addRowButton = filterSet.querySelector(Selectors.filterset.actions.addRow);\n        const filterDataNode = filterSet.querySelectorAll(Selectors.data.fields.all);\n        if (filterDataNode.length <= filters.length) {\n            addRowButton.setAttribute('disabled', 'disabled');\n        } else {\n            addRowButton.removeAttribute('disabled');\n        }\n\n        if (filters.length === 1) {\n            filterSet.querySelector(Selectors.filterset.regions.filtermatch).classList.add('hidden');\n            filterSet.querySelector(Selectors.filterset.fields.join).value = 1;\n        } else {\n            filterSet.querySelector(Selectors.filterset.regions.filtermatch).classList.remove('hidden');\n        }\n    };\n\n    /**\n     * Set the current filter options based on a provided configuration.\n     *\n     * @param {Object} config\n     * @param {Number} config.jointype\n     * @param {Object} config.filters\n     */\n    const setFilterFromConfig = config => {\n        const filterConfig = Object.entries(config.filters);\n\n        if (!filterConfig.length) {\n            // There are no filters to set from.\n            return;\n        }\n\n        // Set the main join type.\n        filterSet.querySelector(Selectors.filterset.fields.join).value = config.jointype;\n\n        const filterPromises = filterConfig.map(([filterType, filterData]) => {\n            if (filterType === 'courseid') {\n                // The courseid is a special case.\n                return Promise.resolve();\n            }\n\n            const filterValues = filterData.values;\n\n            if (!filterValues.length) {\n                // There are no values for this filter.\n                // Skip it.\n                return Promise.resolve();\n            }\n\n            return addFilterRow().then(([filterRow]) => addFilter(filterRow, filterType, filterValues));\n        });\n\n        Promise.all(filterPromises).then(() => {\n            return removeEmptyFilters();\n        })\n        .then(updateFiltersOptions)\n        .then(updateTableFromFilter)\n        .catch();\n    };\n\n    /**\n     * Update the Dynamic table based upon the current filter.\n     *\n     * @return {Promise}\n     */\n    const updateTableFromFilter = () => {\n        const filters = {};\n        Object.values(activeFilters).forEach(filter => {\n            filters[filter.filterValue.name] = filter.filterValue;\n        });\n\n        return DynamicTable.setFilters(\n            DynamicTable.getTableFromId(filterSet.dataset.tableRegion),\n            {\n                jointype: parseInt(filterSet.querySelector(Selectors.filterset.fields.join).value, 10),\n                filters,\n            }\n        )\n        .catch(Notification.exception);\n    };\n\n    /**\n     * Fetch the strings used to populate the fieldset legends for the maximum number of filters possible.\n     *\n     * @return {array}\n     */\n    const getAvailableFilterLegends = async() => {\n        const maxFilters = document.querySelector(Selectors.data.typeListSelect).length - 1;\n        let requests = [];\n\n        [...Array(maxFilters)].forEach((_, rowIndex) => {\n            requests.push({\n                \"key\": \"filterrowlegend\",\n                \"component\": \"core_user\",\n                // Add 1 since rows begin at 1 (index begins at zero).\n                \"param\": rowIndex + 1\n            });\n        });\n\n        const legendStrings = await getStrings(requests)\n        .then(fetchedStrings => {\n            return fetchedStrings;\n        })\n        .catch(Notification.exception);\n\n        return legendStrings;\n    };\n\n    // Add listeners for the main actions.\n    filterSet.querySelector(Selectors.filterset.region).addEventListener('click', e => {\n        if (e.target.closest(Selectors.filterset.actions.addRow)) {\n            e.preventDefault();\n\n            addFilterRow();\n        }\n\n        if 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\ No newline at end of file
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Participants filter managemnet.\n *\n * @module     core_user/participants_filter\n * @package    core_user\n * @copyright  2020 Andrew Nicols <andrew@nicols.co.uk>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\nimport CourseFilter from './local/participantsfilter/filtertypes/courseid';\nimport * as DynamicTable from 'core_table/dynamic';\nimport GenericFilter from './local/participantsfilter/filter';\nimport {get_strings as getStrings} from 'core/str';\nimport Notification from 'core/notification';\nimport Selectors from './local/participantsfilter/selectors';\nimport Templates from 'core/templates';\n\n/**\n * Initialise the participants filter on the element with the given id.\n *\n * @param {String} participantsRegionId\n */\nexport const init = participantsRegionId => {\n    // Keep a reference to the filterset.\n    const filterSet = document.querySelector(`#${participantsRegionId}`);\n\n    // Keep a reference to all of the active filters.\n    const activeFilters = {\n        courseid: new CourseFilter('courseid', filterSet),\n    };\n\n    /**\n     * Get the filter list region.\n     *\n     * @return {HTMLElement}\n     */\n    const getFilterRegion = () => filterSet.querySelector(Selectors.filterset.regions.filterlist);\n\n    /**\n     * Add an unselected filter row.\n     *\n     * @return {Promise}\n     */\n    const addFilterRow = () => {\n        const rownum = 1 + getFilterRegion().querySelectorAll(Selectors.filter.region).length;\n        return Templates.renderForPromise('core_user/local/participantsfilter/filterrow', {\"rownumber\": rownum})\n        .then(({html, js}) => {\n            const newContentNodes = Templates.appendNodeContents(getFilterRegion(), html, js);\n\n            return newContentNodes;\n        })\n        .then(filterRow => {\n            // Note: This is a nasty hack.\n            // We should try to find a better way of doing this.\n            // We do not have the list of types in a readily consumable format, so we take the pre-rendered one and copy\n            // it in place.\n            const typeList = filterSet.querySelector(Selectors.data.typeList);\n\n            filterRow.forEach(contentNode => {\n                const contentTypeList = contentNode.querySelector(Selectors.filter.fields.type);\n\n                if (contentTypeList) {\n                    contentTypeList.innerHTML = typeList.innerHTML;\n                }\n            });\n\n            return filterRow;\n        })\n        .then(filterRow => {\n            updateFiltersOptions();\n\n            return filterRow;\n        })\n        .catch(Notification.exception);\n    };\n\n    /**\n     * Get the filter data source node fro the specified filter type.\n     *\n     * @param {String} filterType\n     * @return {HTMLElement}\n     */\n    const getFilterDataSource = filterType => {\n        const filterDataNode = filterSet.querySelector(Selectors.filterset.regions.datasource);\n\n        return filterDataNode.querySelector(Selectors.data.fields.byName(filterType));\n    };\n\n    /**\n     * Add a filter to the list of active filters, performing any necessary setup.\n     *\n     * @param {HTMLElement} filterRow\n     * @param {String} filterType\n     * @param {Array} initialFilterValues The initially selected values for the filter\n     * @returns {Filter}\n     */\n    const addFilter = async(filterRow, filterType, initialFilterValues) => {\n        // Name the filter on the filter row.\n        filterRow.dataset.filterType = filterType;\n\n        const filterDataNode = getFilterDataSource(filterType);\n\n        // Instantiate the Filter class.\n        let Filter = GenericFilter;\n        if (filterDataNode.dataset.filterTypeClass) {\n            Filter = await import(filterDataNode.dataset.filterTypeClass);\n        }\n        activeFilters[filterType] = new Filter(filterType, filterSet, initialFilterValues);\n\n        // Disable the select.\n        const typeField = filterRow.querySelector(Selectors.filter.fields.type);\n        typeField.value = filterType;\n        typeField.disabled = 'disabled';\n\n        // Update the list of available filter types.\n        updateFiltersOptions();\n\n        return activeFilters[filterType];\n    };\n\n    /**\n     * Get the registered filter class for the named filter.\n     *\n     * @param {String} name\n     * @return {Object} See the Filter class.\n     */\n    const getFilterObject = name => {\n        return activeFilters[name];\n    };\n\n    /**\n     * Remove or replace the specified filter row and associated class, ensuring that if there is only one filter row,\n     * that it is replaced instead of being removed.\n     *\n     * @param {HTMLElement} filterRow\n     */\n    const removeOrReplaceFilterRow = filterRow => {\n        const filterCount = getFilterRegion().querySelectorAll(Selectors.filter.region).length;\n\n        if (filterCount === 1) {\n            replaceFilterRow(filterRow);\n        } else {\n            removeFilterRow(filterRow);\n        }\n    };\n\n    /**\n     * Remove the specified filter row and associated class.\n     *\n     * @param {HTMLElement} filterRow\n     */\n    const removeFilterRow = async filterRow => {\n        const filterType = filterRow.querySelector(Selectors.filter.fields.type);\n        const hasFilterValue = !!filterType.value;\n\n        // Remove the filter object.\n        removeFilterObject(filterRow.dataset.filterType);\n\n        // Remove the actual filter HTML.\n        filterRow.remove();\n\n        // Update the list of available filter types.\n        updateFiltersOptions();\n\n        if (hasFilterValue) {\n            // Refresh the table if there was any content in this row.\n            updateTableFromFilter();\n        }\n\n        // Update filter fieldset legends.\n        const filterLegends = await getAvailableFilterLegends();\n\n        getFilterRegion().querySelectorAll(Selectors.filter.region).forEach((filterRow, index) => {\n            filterRow.querySelector('legend').innerText = filterLegends[index];\n        });\n\n    };\n\n    /**\n     * Replace the specified filter row with a new one.\n     *\n     * @param {HTMLElement} filterRow\n     * @param {Number} rowNum The number used to label the filter fieldset legend (eg Row 1). Defaults to 1 (the first filter).\n     * @return {Promise}\n     */\n    const replaceFilterRow = (filterRow, rowNum = 1) => {\n        // Remove the filter object.\n        removeFilterObject(filterRow.dataset.filterType);\n\n        return Templates.renderForPromise('core_user/local/participantsfilter/filterrow', {\"rownumber\": rowNum})\n        .then(({html, js}) => {\n            const newContentNodes = Templates.replaceNode(filterRow, html, js);\n\n            return newContentNodes;\n        })\n        .then(filterRow => {\n            // Note: This is a nasty hack.\n            // We should try to find a better way of doing this.\n            // We do not have the list of types in a readily consumable format, so we take the pre-rendered one and copy\n            // it in place.\n            const typeList = filterSet.querySelector(Selectors.data.typeList);\n\n            filterRow.forEach(contentNode => {\n                const contentTypeList = contentNode.querySelector(Selectors.filter.fields.type);\n\n                if (contentTypeList) {\n                    contentTypeList.innerHTML = typeList.innerHTML;\n                }\n            });\n\n            return filterRow;\n        })\n        .then(filterRow => {\n            updateFiltersOptions();\n\n            return filterRow;\n        })\n        .then(filterRow => {\n            // Refresh the table.\n            updateTableFromFilter();\n\n            return filterRow;\n        })\n        .catch(Notification.exception);\n    };\n\n    /**\n     * Remove the Filter Object from the register.\n     *\n     * @param {string} filterName The name of the filter to be removed\n     */\n    const removeFilterObject = filterName => {\n        if (filterName) {\n            const filter = getFilterObject(filterName);\n            if (filter) {\n                filter.tearDown();\n\n                // Remove from the list of active filters.\n                delete activeFilters[filterName];\n            }\n        }\n    };\n\n    /**\n     * Remove all filters.\n     *\n     * @returns {Promise}\n     */\n    const removeAllFilters = () => {\n        const filters = getFilterRegion().querySelectorAll(Selectors.filter.region);\n        filters.forEach(filterRow => removeOrReplaceFilterRow(filterRow));\n\n        // Refresh the table.\n        return updateTableFromFilter();\n    };\n\n    /**\n     * Remove any empty filters.\n     */\n    const removeEmptyFilters = () => {\n        const filters = getFilterRegion().querySelectorAll(Selectors.filter.region);\n        filters.forEach(filterRow => {\n            const filterType = filterRow.querySelector(Selectors.filter.fields.type);\n            if (!filterType.value) {\n                removeOrReplaceFilterRow(filterRow);\n            }\n        });\n    };\n\n    /**\n     * Update the list of filter types to filter out those already selected.\n     */\n    const updateFiltersOptions = () => {\n        const filters = getFilterRegion().querySelectorAll(Selectors.filter.region);\n        filters.forEach(filterRow => {\n            const options = filterRow.querySelectorAll(Selectors.filter.fields.type + ' option');\n            options.forEach(option => {\n                if (option.value === filterRow.dataset.filterType) {\n                    option.classList.remove('hidden');\n                    option.disabled = false;\n                } else if (activeFilters[option.value]) {\n                    option.classList.add('hidden');\n                    option.disabled = true;\n                } else {\n                    option.classList.remove('hidden');\n                    option.disabled = false;\n                }\n            });\n        });\n\n        // Configure the state of the \"Add row\" button.\n        // This button is disabled when there is a filter row available for each condition.\n        const addRowButton = filterSet.querySelector(Selectors.filterset.actions.addRow);\n        const filterDataNode = filterSet.querySelectorAll(Selectors.data.fields.all);\n        if (filterDataNode.length <= filters.length) {\n            addRowButton.setAttribute('disabled', 'disabled');\n        } else {\n            addRowButton.removeAttribute('disabled');\n        }\n\n        if (filters.length === 1) {\n            filterSet.querySelector(Selectors.filterset.regions.filtermatch).classList.add('hidden');\n            filterSet.querySelector(Selectors.filterset.fields.join).value = 1;\n        } else {\n            filterSet.querySelector(Selectors.filterset.regions.filtermatch).classList.remove('hidden');\n        }\n    };\n\n    /**\n     * Set the current filter options based on a provided configuration.\n     *\n     * @param {Object} config\n     * @param {Number} config.jointype\n     * @param {Object} config.filters\n     */\n    const setFilterFromConfig = config => {\n        const filterConfig = Object.entries(config.filters);\n\n        if (!filterConfig.length) {\n            // There are no filters to set from.\n            return;\n        }\n\n        // Set the main join type.\n        filterSet.querySelector(Selectors.filterset.fields.join).value = config.jointype;\n\n        const filterPromises = filterConfig.map(([filterType, filterData]) => {\n            if (filterType === 'courseid') {\n                // The courseid is a special case.\n                return false;\n            }\n\n            const filterValues = filterData.values;\n\n            if (!filterValues.length) {\n                // There are no values for this filter.\n                // Skip it.\n                return false;\n            }\n\n            return addFilterRow().then(([filterRow]) => addFilter(filterRow, filterType, filterValues));\n        }).filter(promise => promise);\n\n        if (!filterPromises.length) {\n            return;\n        }\n\n        Promise.all(filterPromises).then(() => {\n            return removeEmptyFilters();\n        })\n        .then(updateFiltersOptions)\n        .then(updateTableFromFilter)\n        .catch();\n    };\n\n    /**\n     * Update the Dynamic table based upon the current filter.\n     *\n     * @return {Promise}\n     */\n    const updateTableFromFilter = () => {\n        const filters = {};\n        Object.values(activeFilters).forEach(filter => {\n            filters[filter.filterValue.name] = filter.filterValue;\n        });\n\n        return DynamicTable.setFilters(\n            DynamicTable.getTableFromId(filterSet.dataset.tableRegion),\n            {\n                jointype: parseInt(filterSet.querySelector(Selectors.filterset.fields.join).value, 10),\n                filters,\n            }\n        )\n        .catch(Notification.exception);\n    };\n\n    /**\n     * Fetch the strings used to populate the fieldset legends for the maximum number of filters possible.\n     *\n     * @return {array}\n     */\n    const getAvailableFilterLegends = async() => {\n        const maxFilters = document.querySelector(Selectors.data.typeListSelect).length - 1;\n        let requests = [];\n\n        [...Array(maxFilters)].forEach((_, rowIndex) => {\n            requests.push({\n                \"key\": \"filterrowlegend\",\n                \"component\": \"core_user\",\n                // Add 1 since rows begin at 1 (index begins at zero).\n                \"param\": rowIndex + 1\n            });\n        });\n\n        const legendStrings = await getStrings(requests)\n        .then(fetchedStrings => {\n            return fetchedStrings;\n        })\n        .catch(Notification.exception);\n\n        return legendStrings;\n    };\n\n    // Add listeners for the main actions.\n    filterSet.querySelector(Selectors.filterset.region).addEventListener('click', e => {\n        if (e.target.closest(Selectors.filterset.actions.addRow)) {\n            e.preventDefault();\n\n            addFilterRow();\n        }\n\n        if (e.target.closest(Selectors.filterset.actions.applyFilters)) {\n            e.preventDefault();\n\n            updateTableFromFilter();\n        }\n\n        if (e.target.closest(Selectors.filterset.actions.resetFilters)) {\n            e.preventDefault();\n\n            removeAllFilters();\n        }\n    });\n\n    // Add the listener to remove a single filter.\n    filterSet.querySelector(Selectors.filterset.regions.filterlist).addEventListener('click', e => {\n        if (e.target.closest(Selectors.filter.actions.remove)) {\n            e.preventDefault();\n\n            removeOrReplaceFilterRow(e.target.closest(Selectors.filter.region));\n        }\n    });\n\n    // Add listeners for the filter type selection.\n    filterSet.querySelector(Selectors.filterset.regions.filterlist).addEventListener('change', e => {\n        const typeField = e.target.closest(Selectors.filter.fields.type);\n        if (typeField && typeField.value) {\n            const filter = e.target.closest(Selectors.filter.region);\n\n            addFilter(filter, typeField.value);\n        }\n    });\n\n    filterSet.querySelector(Selectors.filterset.fields.join).addEventListener('change', e => {\n        filterSet.dataset.filterverb = e.target.value;\n    });\n\n    const tableRoot = DynamicTable.getTableFromId(filterSet.dataset.tableRegion);\n    const initialFilters = DynamicTable.getFilters(tableRoot);\n    if (initialFilters) {\n        // Apply the initial filter configuration.\n        setFilterFromConfig(initialFilters);\n    }\n};\n"],"file":"participantsfilter.min.js"}
\ No newline at end of file
diff --git a/user/amd/src/participantsfilter.js b/user/amd/src/participantsfilter.js
index 38087537b78..482466ed5ce 100644
--- a/user/amd/src/participantsfilter.js
+++ b/user/amd/src/participantsfilter.js
@@ -165,6 +165,9 @@ export const init = participantsRegionId => {
      * @param {HTMLElement} filterRow
      */
     const removeFilterRow = async filterRow => {
+        const filterType = filterRow.querySelector(Selectors.filter.fields.type);
+        const hasFilterValue = !!filterType.value;
+
         // Remove the filter object.
         removeFilterObject(filterRow.dataset.filterType);
 
@@ -174,8 +177,10 @@ export const init = participantsRegionId => {
         // Update the list of available filter types.
         updateFiltersOptions();
 
-        // Refresh the table.
-        updateTableFromFilter();
+        if (hasFilterValue) {
+            // Refresh the table if there was any content in this row.
+            updateTableFromFilter();
+        }
 
         // Update filter fieldset legends.
         const filterLegends = await getAvailableFilterLegends();
@@ -337,7 +342,7 @@ export const init = participantsRegionId => {
         const filterPromises = filterConfig.map(([filterType, filterData]) => {
             if (filterType === 'courseid') {
                 // The courseid is a special case.
-                return Promise.resolve();
+                return false;
             }
 
             const filterValues = filterData.values;
@@ -345,11 +350,15 @@ export const init = participantsRegionId => {
             if (!filterValues.length) {
                 // There are no values for this filter.
                 // Skip it.
-                return Promise.resolve();
+                return false;
             }
 
             return addFilterRow().then(([filterRow]) => addFilter(filterRow, filterType, filterValues));
-        });
+        }).filter(promise => promise);
+
+        if (!filterPromises.length) {
+            return;
+        }
 
         Promise.all(filterPromises).then(() => {
             return removeEmptyFilters();