Fatal error: Uncaught Error: Class "PHPCompatibility\Sniff" not found in C:\Apache24\htdocs\Quantum\vendor\phpcompatibility\php-compatibility\PHPCompatibility\Sniffs\Variables\ForbiddenThisUseContextsSniff.php:51 Stack trace: #0 {main} thrown in C:\Apache24\htdocs\Quantum\vendor\phpcompatibility\php-compatibility\PHPCompatibility\Sniffs\Variables\ForbiddenThisUseContextsSniff.php on line 51