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

( ! ) Deprecated: Symfony\Component\EventDispatcher\Debug\TraceableEventDispatcher::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\Debug\TraceableEventDispatcher.php on line 129

( ! ) Fatal error: Uncaught Error: Interface "Symfony\Component\EventDispatcher\Debug\TraceableEventDispatcherInterface" not found in E:\Program_Files\wamp64\www\techtms\vendor\symfony\event-dispatcher\Debug\TraceableEventDispatcher.php on line 27
( ! ) Error: Interface "Symfony\Component\EventDispatcher\Debug\TraceableEventDispatcherInterface" not found in E:\Program_Files\wamp64\www\techtms\vendor\symfony\event-dispatcher\Debug\TraceableEventDispatcher.php on line 27
Call Stack
#	Time	Memory	Function	Location
1	0.0016	413216	{main}( )	...\TraceableEventDispatcher.php:0