Fatal error: Uncaught Error: Class "PhpCsFixer\AbstractLinesBeforeNamespaceFixer" not found in /home/kiwakim/stock/vendor/friendsofphp/php-cs-fixer/src/Fixer/NamespaceNotation/CleanNamespaceFixer.php:21 Stack trace: #0 {main} thrown in /home/kiwakim/stock/vendor/friendsofphp/php-cs-fixer/src/Fixer/NamespaceNotation/CleanNamespaceFixer.php on line 21