Fatal error: Uncaught Error: Interface "SebastianBergmann\Invoker\Exception" not found in /users/danielstruebig/www/familyhelper/vendor/phpunit/php-invoker/src/exceptions/ProcessControlExtensionNotLoadedException.php:18 Stack trace: #0 {main} thrown in /users/danielstruebig/www/familyhelper/vendor/phpunit/php-invoker/src/exceptions/ProcessControlExtensionNotLoadedException.php on line 18