Fatal error: Uncaught Error: Class "Magento\Framework\Api\AbstractExtensibleObject" not found in /home/jasainfo/public_html/dev/tests/integration/_files/Magento/TestModuleExtensionAttributes/Model/Data/FakeRegion.php:14 Stack trace: #0 {main} thrown in /home/jasainfo/public_html/dev/tests/integration/_files/Magento/TestModuleExtensionAttributes/Model/Data/FakeRegion.php on line 14