I have this problem and I don't know how I can fixed

Sorry, but whatever image file you provided, it did not come through. I suggest that you provide us with as much detail as possible so we can try to assist you with a potential solution.

Ref: Writing an effective Apple Support Communities question - Apple Support Communities

See section "unsubscribe from other calendars" in this support guide:--> How to unsubscribe from calendars on your iPhone

Regards

Giulio

Ciao Tesserax,

I'm seeing the OP's image quite fine.

Giulio

Thanks Giulio. It finally appeared for me as well. Thanks for jumping in with the solution.

:)