Fatal error: Uncaught Error: Class "Doctrine\Common\Lexer\AbstractLexer" not found in C:\xampp\htdocs\astra-backoffice\vendor\doctrine\lexer\tests\MutableLexer.php:10 Stack trace: #0 {main} thrown in C:\xampp\htdocs\astra-backoffice\vendor\doctrine\lexer\tests\MutableLexer.php on line 10