Fatal error: Uncaught Error: Class 'PHP_CodeSniffer\Sniffs\AbstractScopeSniff' not found in C:\xampp\htdocs\wasteman\scssphp\vendor\squizlabs\php_codesniffer\src\Standards\Squiz\Sniffs\Classes\SelfMemberReferenceSniff.php:21 Stack trace: #0 {main} thrown in C:\xampp\htdocs\wasteman\scssphp\vendor\squizlabs\php_codesniffer\src\Standards\Squiz\Sniffs\Classes\SelfMemberReferenceSniff.php on line 21