Cannot verify the identity of "caldav.calendar.yahoo.com"

i getting message on iphone 4 , not stop. started week ago , don't know it. exact message:

cannot verify server identity
yahoo! cannot verify identity of
"caldav.calendar.yahoo.com"
continue anyway?

cancel
details
continue


understand has yahoo calendars, not , have never used. if knows how fix appreciate can provide. thanks.

 

unsync yahoo calendar

go settings go mail, contacts, calendars should see yahoo under accounts turn off reminders tab. that's how solved problem on phone see if works you.

 

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