Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestSuite' not found in /home/discovergreece/public_html/vendor/squizlabs/php_codesniffer/tests/TestSuite.php:15 Stack trace: #0 /home/discovergreece/public_html/vendor/squizlabs/php_codesniffer/tests/AllTests.php(29): include_once() #1 {main} thrown in /home/discovergreece/public_html/vendor/squizlabs/php_codesniffer/tests/TestSuite.php on line 15