NEED QUICKK HELP!!!!

I have mikrotik 2.9.27 and i hawe big problem!!
i connected to ZyXEL (xx:xx:xx:xx:xx:2B) but i want connect to ZyXEL (xx:xx:xx:xx:xx:B0),but he dont wana connect to the other ZyXEL can any1 help me… btw sorry for bad einglish

Upgrade your ROS and stop using an illegal copy to start.