( ! ) Deprecated: Doctrine\ORM\Cache\Region\FileLockRegion::isLocked(): Implicitly marking parameter $lock as nullable is deprecated, the explicit nullable type must be used instead in E:\Program_Files\wamp64\www\print\vendor\doctrine\orm\lib\Doctrine\ORM\Cache\Region\FileLockRegion.php on line 83

( ! ) Deprecated: Doctrine\ORM\Cache\Region\FileLockRegion::put(): Implicitly marking parameter $lock as nullable is deprecated, the explicit nullable type must be used instead in E:\Program_Files\wamp64\www\print\vendor\doctrine\orm\lib\Doctrine\ORM\Cache\Region\FileLockRegion.php on line 191

( ! ) Fatal error: Uncaught Error: Interface "Doctrine\ORM\Cache\ConcurrentRegion" not found in E:\Program_Files\wamp64\www\print\vendor\doctrine\orm\lib\Doctrine\ORM\Cache\Region\FileLockRegion.php on line 36
( ! ) Error: Interface "Doctrine\ORM\Cache\ConcurrentRegion" not found in E:\Program_Files\wamp64\www\print\vendor\doctrine\orm\lib\Doctrine\ORM\Cache\Region\FileLockRegion.php on line 36
Call Stack
#	Time	Memory	Function	Location
1	0.0193	398688	{main}( )	...\FileLockRegion.php:0