Fatal error: Uncaught Error: Interface "PHP_CodeSniffer\Sniffs\Sniff" not found in I:\www\pvcTestingUtils\vendor\squizlabs\php_codesniffer\src\Standards\PSR12\Sniffs\Files\FileHeaderSniff.php:16 Stack trace: #0 {main} thrown in I:\www\pvcTestingUtils\vendor\squizlabs\php_codesniffer\src\Standards\PSR12\Sniffs\Files\FileHeaderSniff.php on line 16