The URL to the page where you are having a problem: Localhost
Are you using GD, Imagick or don't know?: don't know
Imagick and GD versions as reported by phpinfo() on your site:
Good to have information
Hosting company / Local server: Enter the name of your site's hosting company or the prepackaged local server (e.g. MAMP, XAMPP, WAMPServer, ...) that you're using
Local server version: If using a local server package, which version is it?
Server Operating System version: e.g. Windows 10, Ubuntu 16.04, ... Type N/A if it's a live host and you have no idea.
Steps to reproduce the issue
Update to 5.0.0-RC and disable the "compatibility plugin". Open an article to edit it.
Expected result
Viewing the edit form without error.
Actual result
Error: Class "JFormFieldRadio" not found JROOT\plugins\system\socialmagick\fields\fancyradio.php:24
Link: administrator/index.php?option=com_content&view=article&layout=edit&id=137
Troubleshooting already performed
System information
Mandatory information
phpinfo()
on your site:Good to have information
Additional comments