Fatal error: Uncaught Error: Class "Magento\Backend\Controller\Adminhtml\Auth" not found in /home/websupportontdem/public_html/uscabinetonline.websupportondemo.com/old/vendor/magento/module-admin-adobe-ims/Controller/Adminhtml/OAuth/ImsCallback.php:34 Stack trace: #0 {main} thrown in /home/websupportontdem/public_html/uscabinetonline.websupportondemo.com/old/vendor/magento/module-admin-adobe-ims/Controller/Adminhtml/OAuth/ImsCallback.php on line 34