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Pete
Pete, Computer Engineer
Category: Mac
Satisfied Customers: 15744
Experience:  Over 16 years of computer experience, CISCO certified
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I have a 2012 imac with OSX Yosemite 10.10.5, an ipad air

Customer Question

I have a 2012 imac with OSX Yosemite 10.10.5, an ipad air and a iphone 5S. They are synced together for ical, notes, reminders, contacts, pages, numbers and icloud. All have the most recent updates. The imac has some sort of error that is preventing me from accessing ical and making changes. I get a long list that I had previously copied and pasted into a document that was not saved, with the message "The server responded with
“400” to operation CalDAVWriteEntityQueueableOperation" at the end. Help!
Submitted: 1 month ago.
Category: Mac
Expert:  Pete replied 1 month ago.

Hi, I'm Pete. Welcome to JustAnswer! I'm reviewing your question now, and will post back with your reply ASAP.

Expert:  Pete replied 1 month ago.

Jay, this error is likely due to a caching problem on the iMac.

To fix it,

  1. Close the Calendar Program
  2. Trash these two caches:

~/Library/Calendars/Calendar Cache

~/Library/Caches/com.apple.iCal

3. Open Calendar and wait for it to synchronize.

This will take care of most problems that are to do with a caching issue.

Customer: replied 1 month ago.

I'm not finding these caches. On the hard drive I have Library/Caches/ and then lots of options but I don't see Calendars or com.apple.iCal

Are you still there?

I found the Calendar Cache and sent to trash. Still can't find the apple.iCal cache

Expert:  Pete replied 1 month ago.

Can you search for apple.iCal cache in Finder?