Notice: Undefined variable: generator in /opt/lampp/htdocs/convocation/vendor/yiisoft/yii2-gii/src/generators/module/default/controller.php on line 12

Fatal error: Call to a member function getControllerNamespace() on null in /opt/lampp/htdocs/convocation/vendor/yiisoft/yii2-gii/src/generators/module/default/controller.php on line 12