Fatal error: Uncaught Error: Class "core\event\base" not found in C:\xampp\htdocs\laberit01\html\moodle\payment\classes\event\account_created.php:38 Stack trace: #0 {main} thrown in C:\xampp\htdocs\laberit01\html\moodle\payment\classes\event\account_created.php on line 38