Fatal error: Uncaught Error: Interface 'PhpParser\Parser' not found in /mnt/volume_lon1_01/backend/admin/vendor/nikic/php-parser/lib/PhpParser/Parser/Multiple.php:9 Stack trace: #0 {main} thrown in /mnt/volume_lon1_01/backend/admin/vendor/nikic/php-parser/lib/PhpParser/Parser/Multiple.php on line 9