Fatal error: Uncaught Error: Class "Doctrine\Common\Lexer\AbstractLexer" not found in C:\sites\wasalnah.sabti-h.com\vendor\doctrine\lexer\tests\ConcreteLexer.php:13 Stack trace: #0 {main} thrown in C:\sites\wasalnah.sabti-h.com\vendor\doctrine\lexer\tests\ConcreteLexer.php on line 13