Fatal error: Uncaught Error: Interface 'PhpParser\Builder' not found in /mnt/volume_lon1_01/backend/admin/vendor/nikic/php-parser/lib/PhpParser/Builder/Declaration.php:8 Stack trace: #0 {main} thrown in /mnt/volume_lon1_01/backend/admin/vendor/nikic/php-parser/lib/PhpParser/Builder/Declaration.php on line 8