Fatal error: Uncaught Error: Class 'PhpParser\PrettyPrinterAbstract' not found in /var/www/typo3/vendor/nikic/php-parser/lib/PhpParser/PrettyPrinter/Standard.php:16 Stack trace: #0 {main} thrown in /var/www/typo3/vendor/nikic/php-parser/lib/PhpParser/PrettyPrinter/Standard.php on line 16