Fatal error: Uncaught Error: Interface "PhpCsFixer\Fixer\FixerInterface" not found in /users/danielstruebig/www/familyhelper/vendor/theseer/tokenizer/tools/php-cs-fixer.d/PhpdocSingleLineVarFixer.php:21 Stack trace: #0 {main} thrown in /users/danielstruebig/www/familyhelper/vendor/theseer/tokenizer/tools/php-cs-fixer.d/PhpdocSingleLineVarFixer.php on line 21