Fatal error: Uncaught Error: Class 'Doctrine\Common\Lexer\AbstractLexer' not found in /var/www/drupal/sites/energiatalgud/vendor/doctrine/common/lib/Doctrine/Common/Lexer.php:23 Stack trace: #0 {main} thrown in /var/www/drupal/sites/energiatalgud/vendor/doctrine/common/lib/Doctrine/Common/Lexer.php on line 23