Fatal error: Uncaught Error: Class "Magento\Framework\Model\AbstractExtensibleModel" not found in /home/jasainfo/public_html/dev/tests/api-functional/_files/Magento/TestModule4/Service/V1/Entity/ExtensibleRequest.php:14 Stack trace: #0 {main} thrown in /home/jasainfo/public_html/dev/tests/api-functional/_files/Magento/TestModule4/Service/V1/Entity/ExtensibleRequest.php on line 14