Fatal error: Uncaught Error: Interface 'Magento\TestModule3\Service\V1\ErrorInterface' not found in /home/esecureh/public_html/magdemo/dev/tests/api-functional/_files/Magento/TestModule3/Service/V1/Error.php:18 Stack trace: #0 {main} thrown in /home/esecureh/public_html/magdemo/dev/tests/api-functional/_files/Magento/TestModule3/Service/V1/Error.php on line 18