* Provide the complete error call stack if available, in addition, please check your browser console for any errors. A screenshot to explain the issue is also welcomed.
* If possible try to reproduce this error on our demo at http://humhub.org
**Do not report an issue if**
* you are asking how to use some HumHub feature. You should use [the community](http://community.humhub.org) for this purpose.
* your issue is about security. Please [contact us directly](mailto:info@humhub.org) to report security issues.
**Avoid duplicated issues**
Before you report an issue, please search through [existing issues](https://github.com/humhub/humhub/issues) to see if your issue is already reported or fixed to make sure you are not reporting a duplicated issue.
Also make sure you have the latest version of HumHub and see if the issue still exists.
# Contribute to the core code or fix bugs (Pull Requests)
Third-party patches are essential for keeping HumHub great.
We want to keep it as easy as possible to contribute changes that get things working in your environment.
There are a few guidelines that we need contributors to follow so that we can have a chance of keeping on top of things.
* Make sure you have a [GitHub account](https://github.com/signup/free)
* Fork the repository on GitHub
* Before we can accept your patches, you'll have to sign the Contributors License Agreement