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