MacOS – get a ‘“Calendar Cache” couldn’t be moved’ error when launching Calendar

icalmacos

After upgrading to Mountain Lion, I get the following error message when I launch Calendar.app:

"Calendar Cache couldn't be moved because you don't have permission to access "Calendars".

Screenshot of Calendar app with error dialog

When I click "OK", Calendar quits.

This user is an administrator on the machine. I tried granting the user 'Read & Write' access to Calendar.app, but nothing changed.

I have another administrator account on the same machine that can launch Calendar.app without issue.

Best Answer

If repairing permissions with Disk Utility and/or checking permissions for the actual calendar-files in /Users/<username>/Library/Calendars do not work maybe this will:

https://discussions.apple.com/thread/3773022?start=0&tstart=0

~~Seems a bit drastic though. I have not tried this myself. I suggest having a backup just in case.~~

Update: I just tried the instructions from the thread at apple discussions, and everything on my 10.8 system is OK. It's kind of a supercharged permissions-repair (lacking better terms atm).

If it works, thank macjack at the appe forums. If not, tell me :)

On my mac the ~/Library/Calendars/Calendar Cache is owned by me:
-rw-r--r--@ 1 nils staff 2813952 Jul 31 18:44 Calendar Cache

It may be of help if you post the output from this terminal command:
ls -lar ~/Library/Calendars/|grep "Calendar Cache"

Related Solutions

MacOS – Where does Mountain Lion’s Calendar.app store its preferences

After performing an extensive search of my user directory I have found file associated with the Calendar.app, if you check the Info.plist contained within in the Calendar.app bundle you will find that the identifier for the Calendar app is still iCal and the file you are looking for is like "com.apple.iCal"

The files I found using the following search is:

$ find /Users/yourusername/ -name com.apple.iCal*

Files found:

/Users/yourusername/Library/Application Support/SyncServices/Local/clientdata/com.apple.iCal
/Users/yourusername/Library/Caches/com.apple.helpd/Generated/com.apple.iCal.help
/Users/yourusername/Library/Caches/com.apple.helpd/SDMHelpData/AppleExtra/English/HelpSDMIndexFile/com.apple.iCal.help
/Users/yourusername/Library/Caches/com.apple.iCal
/Users/yourusername/Library/Preferences/ByHost/com.apple.iCal.helper.E4000000-0000-0000-0000-000000000000.plist
/Users/yourusername/Library/Preferences/ByHost/com.apple.iCal.helper.E4000000-0000-0000-0000-000000000000.plist.lockfile
/Users/yourusername/Library/Preferences/com.apple.iCal.helper.plist
/Users/yourusername/Library/Preferences/com.apple.iCal.helper.plist.lockfile
/Users/yourusername/Library/Preferences/com.apple.iCal.plist
/Users/yourusername/Library/Preferences/com.apple.iCal.plist.lockfile
/Users/yourusername/Library/Saved Application State/com.apple.iCal.savedState/

Additionally I am Fairly certain that iCal in Mountain Lion is using iCloud to store app preferences, or at least it should be since its suppose to be a cloud heavy app to span the iOS and OS X device boundary. I Will have to check into this further, and see how it works when iCloud is enabled or not...

It should be using iCloud as noted in developer docs topic of Designing for Key-Value Data in iCloud

To store discrete values in iCloud for app preferences, app configuration, or app state, use iCloud key-value storage.

MacOS – “on the mac” calendar option missing from New Calendar menu

Apparently you'll have to:

Disable iCloud by going to Calendar > Preferences > Accounts. It seems important just to disable iCloud from Calendar's preferences, not completely sign out of it from within System Preferences.
Create a new calendar which name does not conflicts with any calendars you've already got in your iCloud.
Enable your iCloud account.

This will make the new calendar, under On My Mac to remain.

Best Answer

Related Solutions

MacOS – Where does Mountain Lion’s Calendar.app store its preferences

MacOS – “on the mac” calendar option missing from New Calendar menu

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