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