Yii Error The Table "{{Tag}}" For Active Record Class "tag" Cannot Be Found In The Database.

i am getting error on every CRUD page

Error 500

The table "{{tag}}" for active record class "Tag" cannot be found in the database.

i install new yii 1.14 version. ? anybody have idea how to solve this problem …

Just a thought: is the tablePrefix se in the db connection in config.main.php?