( ! ) Deprecated: Symfony\Component\Console\Helper\ProcessHelper::run(): Implicitly marking parameter $callback as nullable is deprecated, the explicit nullable type must be used instead in E:\Program_Files\wamp64\www\techtms_v2\vendor\symfony\console\Helper\ProcessHelper.php on line 39

( ! ) Deprecated: Symfony\Component\Console\Helper\ProcessHelper::mustRun(): Implicitly marking parameter $callback as nullable is deprecated, the explicit nullable type must be used instead in E:\Program_Files\wamp64\www\techtms_v2\vendor\symfony\console\Helper\ProcessHelper.php on line 95

( ! ) Deprecated: Symfony\Component\Console\Helper\ProcessHelper::wrapCallback(): Implicitly marking parameter $callback as nullable is deprecated, the explicit nullable type must be used instead in E:\Program_Files\wamp64\www\techtms_v2\vendor\symfony\console\Helper\ProcessHelper.php on line 115

( ! ) Fatal error: Uncaught Error: Class "Symfony\Component\Console\Helper\Helper" not found in E:\Program_Files\wamp64\www\techtms_v2\vendor\symfony\console\Helper\ProcessHelper.php on line 25
( ! ) Error: Class "Symfony\Component\Console\Helper\Helper" not found in E:\Program_Files\wamp64\www\techtms_v2\vendor\symfony\console\Helper\ProcessHelper.php on line 25
Call Stack
#	Time	Memory	Function	Location
1	0.0211	390496	{main}( )	...\ProcessHelper.php:0