I have a problem. You lost your connection to your opponent. Please help me.

Thanks for contacting me, but I've done everything you suggested, but it still doesn't work. I went back to playing Fc25, and it works fine, no issues whatsoever. I think it's just Fc26. I've tried different internet connections, including mobile hotspots, to check it, but it doesn't work. It's happening in all online modes, not just UT.