Fatal error: Uncaught Error: Interface 'PHPUnit_Framework_MockObject_Matcher_Invocation' not found in /mnt/www/fawu/vendor/phpunit/phpunit-mock-objects/src/Framework/MockObject/Matcher/InvokedAtIndex.php:23 Stack trace: #0 {main} thrown in /mnt/www/fawu/vendor/phpunit/phpunit-mock-objects/src/Framework/MockObject/Matcher/InvokedAtIndex.php on line 23