Change WordPress user roles and capabilities Forums Bug Reports Can't activate due to Fatal Error Reply To: Can't activate due to Fatal Error


Hi Fred,

Check that all URE Pro files are copied to the live environment. It seems that some files are missed or have wrong permissions.
Error message is about class defined at this file: user-role-editor-pro/includes/plugin-update-checker.php

Compare PHP version also. Your live environment can have an older PHP version.