Fatal error: Uncaught Error: Call to a member function getModelAttributes() on null in /var/www/html/vendor/yiisoft/yii2-gii/src/generators/form/default/form.php:24 Stack trace: #0 {main} thrown in /var/www/html/vendor/yiisoft/yii2-gii/src/generators/form/default/form.php on line 24