Duplicate tags when moving and duplicating tasks to another project

app/Model/TaskTagModel.php

@@ -27,13 +27,13 @@ class TaskTagModel extends Base
      * @param  integer $project_id
      * @return array
      */
-    public function getTagIdsByTaskNotAvailableInProject($task_id, $project_id)
+    public function getTagsByTaskNotAvailableInProject($task_id, $project_id)
     {
         return $this->db->table(TagModel::TABLE)
             ->eq(self::TABLE.'.task_id', $task_id)
             ->notIn(TagModel::TABLE.'.project_id', array(0, $project_id))
             ->join(self::TABLE, 'tag_id', 'id')
-            ->findAllByColumn(TagModel::TABLE.'.id');
+            ->findAll();
     }
 
     /**