Error romanian module

Hello,

I installed this module https://www.opencart.com/index.php?rout ... arch=roman and when i switched to this language i have an error. Notice: Undefined offset: 2 in ...\system\storage\modification\catalog\controller\common\footer.php on line 8
This error don't affect my shop but i can't hide or remove that.
Please help me.
Thanks you very much.

I solved this myself. In a module i have not completed the title in the romanian language