Persistent sync error
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I am a new user and I have not found this specific issue as a topic in this forum. Today (3/24/26), I started receiving sync errors using web access to Day One.
The message I am receiving is:
Failed Daily chat
Mar 24, 9:35 AM Daily chat on Mar 24, 2026
Error: No active content key fingerprint found
Type: DailyChat
Action: UPDATE
Chat Date: 2026-03-24
I have logged out and logged in with no change in symptoms.
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I am having the same problem. I was trying to create an entry on the Web and it generated the same error.
I too have logged out of both my Android app and my Web app. I exported everything on my Android app and reimported it. Now my Android app is also showing an error. The detail it shows is:
Temporary issue. We are working to resolve this issue. Yur data will begin syncing agan soon.It gives me an option to
CHECK STATUS. When I click this, it goes to the Day One Sync Status web page which says:Current Status
No current sync outages.
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I have encountered exactly the same synchronization error. The error persists, and the message indicates that it seems to have occurred only on March 24. I did not experience this error before March 24, and I have not encountered it today either (March 25).
I looked up what DailyChat is and found that it is a laboratory feature of Day One. I have been using Day One’s Windows client and Android app, and I have never enabled any laboratory features in either of them.
(This is the error interface. I am a Chinese user.)

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I wonder if this is helpful. The entry that I made that ultimately caused this error was created via the Web app.
I had inadvertently clicked the + button twice, my mouse was having a problem, so I deleted one of the entries (a blank entry). This resulted in the error starting to happen. I don’t know about the other 2 users.
In another thread https://forums.dayoneapp.com/forums/topic/midnight-is-shown-as-24mm-in-24-hour-format-and-unable-to-fix/, I mentioned that this started happening after Day One was updated to Version 2026.7.X on the Web. I don’t know if that helps.
Two other things that might help:
- Android app whos Version 2026.6.3 (640). But having just one entry having a sync problem across multiple users would signify a very very specific coincidental timing all of us (a highly improbable, thought not impossible situation)
- My Android app language was set to
System Default, which is French. I forced a change toEnglishunderSettings|Advanced|LanguagetoEnglishto troubleshoot. When I found that the issue continued to persist, I changed the Language back toSystem Default.
Hope this all helps
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The situation is getting worse and more weird.
Now, there is not only 1 error, there are 2 errors. Again, this is on the Web version. HOWEVER, on 1 computer, it shows 1 error, on two other computers, it shows 2 errors:
Computer 1 (one error only)

Computers 2 & 3 (two errors)

The following are the details of the synchronization:
