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Mac Contacts stopped syncing with Google - error message

A few days ago my GMail contacts stopped syncing with Mac OS

Contacts app.  All my contact groups disappeared.  Now there is an error

message appearing on the Mac Contacts app, see attached picture. 

Syncing has stopped.  I have not changed my Gmail password, nor updated

my Mac OS.  I normally use Mac's Mail app to handle all my email on the

desktop, not a browser.  See attached picture for error message. 


Mac OS Sierra V 10.12.2,  Contacts app is V 10.0.

MacBook Pro 15", macOS 10.12

Posted on Mar 19, 2019 8:49 AM

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Posted on Apr 3, 2019 7:45 AM

I "fixed" this by deleting my Google account from Mac OS settings and reestablishing it. It's been working 24 hours, so I guess it counts as "fixed". But it's scary if that's the "fix". I'm betting this will come back.

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Mac Contacts stopped syncing with Google - error message

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