Fatal error: Uncaught Error: Interface "Symfony\Component\Security\Core\User\UserProviderInterface" not found in /home/ldt/public_html/canvas/udoit/vendor/knpuniversity/oauth2-client-bundle/src/Security/User/OAuthUserProvider.php:17 Stack trace: #0 {main} thrown in /home/ldt/public_html/canvas/udoit/vendor/knpuniversity/oauth2-client-bundle/src/Security/User/OAuthUserProvider.php on line 17