( ! ) Deprecated: Symfony\Component\EventDispatcher\ImmutableEventDispatcher::dispatch(): Implicitly marking parameter $event as nullable is deprecated, the explicit nullable type must be used instead in E:\Program_Files\wamp64\www\techtms\vendor\symfony\event-dispatcher\ImmutableEventDispatcher.php on line 41

( ! ) Fatal error: Uncaught Error: Interface "Symfony\Component\EventDispatcher\EventDispatcherInterface" not found in E:\Program_Files\wamp64\www\techtms\vendor\symfony\event-dispatcher\ImmutableEventDispatcher.php on line 19
( ! ) Error: Interface "Symfony\Component\EventDispatcher\EventDispatcherInterface" not found in E:\Program_Files\wamp64\www\techtms\vendor\symfony\event-dispatcher\ImmutableEventDispatcher.php on line 19
Call Stack
#	Time	Memory	Function	Location
1	0.0021	375280	{main}( )	...\ImmutableEventDispatcher.php:0