Every time I open my calendar in IE or Chrome for the last few months, I get the message "Calendar error: There's a problem editing this calendar. Please try again later." I click OK and everything seems to be okay.  I can edit my calendar and sync with Android.

However, yesterday, I noticed that now when I open my calender there are no calendar items displayed.  I go to options and select my calendar (it used to be selected by default) and when I select it, I get the message, "Calendar error: There's a problem editing this calendar. Please try again later." But now, I can't see my calendar nor my calendar items AT ALL.  My calendar is no longer accessible!

Needless to say, this is very frustrating.

Thanks in advance for your help...