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Notice: Trying to get property of non-object in C:\xampp\htdocs\oa\vendor\lajax\yii2-translate-manager\views\language\view.php on line 13

Fatal error: Using $this when not in object context in C:\xampp\htdocs\oa\vendor\lajax\yii2-translate-manager\views\language\view.php on line 13