Fatal error: Uncaught Error: Class "craft\base\Event" not found in /home/akg/public_html/craft/vendor/craftcms/cms/src/events/RebuildConfigEvent.php:18 Stack trace: #0 {main} thrown in /home/akg/public_html/craft/vendor/craftcms/cms/src/events/RebuildConfigEvent.php on line 18