Fatal error: Uncaught Error: Class "PHP_CodeSniffer\Tests\Standards\AbstractSniffUnitTest" not found in C:\Apache24\htdocs\Quantum74_old\vendor\squizlabs\php_codesniffer\src\Standards\Generic\Tests\Debug\CSSLintUnitTest.php:22 Stack trace: #0 {main} thrown in C:\Apache24\htdocs\Quantum74_old\vendor\squizlabs\php_codesniffer\src\Standards\Generic\Tests\Debug\CSSLintUnitTest.php on line 22