Fatal error: Uncaught Error: Class 'PHPCompatibility\AbstractComplexVersionSniff' not found in C:\xampp7\htdocs\edgpens\vendor\phpcompatibility\php-compatibility\PHPCompatibility\AbstractRemovedFeatureSniff.php:20 Stack trace: #0 {main} thrown in C:\xampp7\htdocs\edgpens\vendor\phpcompatibility\php-compatibility\PHPCompatibility\AbstractRemovedFeatureSniff.php on line 20