Mac OneNote: Sync Errors Refresh this notebook to continue syncing. (Error code: 0xE000006C cig68 30115

ISSUE:

2025.5.9 Mac OneNote 16.66.1 doesn't sync anymore in macOS Catalina 10.15, Error Message:
 

Sync Error Please refresh this notebook to continue syncing.
Refresh Now
 
We couldn’t open this section.

 

View Sync Errors Windows

In File menu -> View sync errors menu item shows:
 

Sync Errors
Please refresh this notebook to continue syncing. (Error code: 0xE000006C cig68 30115 | B6d6fb8c-19c6-1845-b186-6114d2783728 202505191227)

OneNote cannot list the pages after click a section.
 

Solution:

1. The solution now is to uninstall the current version of OneNote for Mac.
2. Then go here All Platforms and Versions OneNote Download to download and install: Mac OneNote 16.77.
3. Then log in to your Microsoft account and you can resume normal use.

 

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