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Fatal error: Uncaught Error: Call to a member function getNamespace() on null in /home/fermedupvn/domo/vendor/symfony/maker-bundle/templates/crud/controller/Controller.tpl.php:3 Stack trace: #0 {main} thrown in /home/fermedupvn/domo/vendor/symfony/maker-bundle/templates/crud/controller/Controller.tpl.php on line 3