Fatal error: Uncaught Error: Class "SilverStripe\ORM\DataExtension" not found in /home/osetbike/public_html/support.osetbikes.com/vendor/silverstripe/admin/_legacy/GraphQL/GraphQLLegacyExtension.php:17 Stack trace: #0 {main} thrown in /home/osetbike/public_html/support.osetbikes.com/vendor/silverstripe/admin/_legacy/GraphQL/GraphQLLegacyExtension.php on line 17