Fatal error: Uncaught Error: Class "Core\SignatureVerifier\VerificationFailure" not found in /usr/www/pireborn/public/Donate/vendor/apimatic/core/tests/Mocking/SignatureVerifier/MockVerificationFailure.php:9 Stack trace: #0 {main} thrown in /usr/www/pireborn/public/Donate/vendor/apimatic/core/tests/Mocking/SignatureVerifier/MockVerificationFailure.php on line 9