Fatal error: Uncaught Error: Interface "PhpCsFixer\Differ\DifferInterface" not found in /var/www/erp/spreadsheet/vendor/friendsofphp/php-cs-fixer/src/Differ/SebastianBergmannDiffer.php:20 Stack trace: #0 {main} thrown in /var/www/erp/spreadsheet/vendor/friendsofphp/php-cs-fixer/src/Differ/SebastianBergmannDiffer.php on line 20