From 11a16d5693c788479268a24a41bda8743a39f7aa Mon Sep 17 00:00:00 2001
From: Ryan Cramer <ryan@processwire.com>
Date: Fri, 13 Jan 2023 08:37:20 -0500
Subject: [PATCH] Fix issue processwire/processwire-issues#1663

---
 .../Process/ProcessField/ProcessField.module  | 20 ++++++++++---------
 1 file changed, 11 insertions(+), 9 deletions(-)

diff --git a/wire/modules/Process/ProcessField/ProcessField.module b/wire/modules/Process/ProcessField/ProcessField.module
index 29e670d8..a9082ad5 100644
--- a/wire/modules/Process/ProcessField/ProcessField.module
+++ b/wire/modules/Process/ProcessField/ProcessField.module
@@ -1709,15 +1709,17 @@ class ProcessField extends Process implements ConfigurableModule {
 		$field->description = $this->_('If you want to associate an icon with the field, select an icon below. Click the "Show all icons" link for visual selection.'); // Description for field tags
 		$field->collapsed = Inputfield::collapsedBlank;
 		$form->add($field);
-	
-		/** @var InputfieldMarkup $field */
-		$field = $modules->get('InputfieldMarkup');
-		$field->attr('name', '_usage_table');
-		$field->label = $this->_('Usage');
-		$field->icon = 'search';
-		$field->collapsed = Inputfield::collapsedYes;
-		$field->value = 'value';
-		$form->add($field);
+
+		if($this->field->id) {
+			/** @var InputfieldMarkup $field */
+			$field = $modules->get('InputfieldMarkup');
+			$field->attr('name', '_usage_table');
+			$field->label = $this->_('Usage');
+			$field->icon = 'search';
+			$field->collapsed = Inputfield::collapsedYes;
+			$field->value = 'value';
+			$form->add($field);
+		}
 
 		return $form;
 	}