Message app is not responding due to icloud contact sync
I have a problem on one of my mac (macOS mojave). It started few days ago when I realised, that my contacts is not syncing with icloud correctly. I switch contact syncing in pref-icloud off and on and it helped.
BUT from this moment I have a problem with Messages app. Always after opening this application it runs maybe 10-20 seconds and than is not responding. When is icloud contacts sync disabled, its working properly.
I tried to clear addressbook and ichat data in Library, switch off and of icloud contact syncing and than logout from icloud account and login again - nothing is working.
Do you have any idea what to do more about this problem? In System Monitor there is always process AdressBookSourceSync which is using lot of memory and CPU data..
Thank you for any help, I can send some more details or diagnostic data
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