Fatal error: Uncaught Error: Interface "PhpCsFixer\Differ\DifferInterface" not found in /var/www/html/TopTierElectric/public/concrete/src/Support/CodingStyle/Differ.php:8 Stack trace: #0 {main} thrown in /var/www/html/TopTierElectric/public/concrete/src/Support/CodingStyle/Differ.php on line 8