Fatal error: Uncaught Error: Interface "Psr\EventDispatcher\StoppableEventInterface" not found in E:\phpProject\TEST\fr_epr\fr_epr_reg\vendor\symfony\event-dispatcher-contracts\Event.php:31 Stack trace: #0 {main} thrown in E:\phpProject\TEST\fr_epr\fr_epr_reg\vendor\symfony\event-dispatcher-contracts\Event.php on line 31