Fatal error: Uncaught Error: Class 'PHPUnit\Runner\Version' not found in C:\xampp\htdocs\ITI\uvdesk\vendor\symfony\phpunit-bridge\SymfonyTestsListener.php:16 Stack trace: #0 {main} thrown in C:\xampp\htdocs\ITI\uvdesk\vendor\symfony\phpunit-bridge\SymfonyTestsListener.php on line 16