Fatal error: Uncaught Error: Class 'PHPCompatibility\AbstractComplexVersionSniff' not found in C:\xampp7\htdocs\edgpens\vendor\phpcompatibility\php-compatibility\PHPCompatibility\Sniffs\FunctionUse\RequiredToOptionalFunctionParametersSniff.php:30 Stack trace: #0 {main} thrown in C:\xampp7\htdocs\edgpens\vendor\phpcompatibility\php-compatibility\PHPCompatibility\Sniffs\FunctionUse\RequiredToOptionalFunctionParametersSniff.php on line 30