Support Produced by OmniGraffle 7.5 test 2017-09-15 03:22:04 +0000 phone/email/twitter Layer 1 +1 206-523-4152 or 800-315-OMNI

OmniFocus error: “No key in slot” or “Can’t decrypt server data”

In versions of OmniFocus that support encryption, you may encounter an error “No key in slot n”, or in later versions “Can’t decrypt server data”. We’re still trying to track down the root cause of this problem, but in the meantime to recover from this error, choose the set of steps below to follow only on a copy of OmniFocus that is not experiencing the problem and displays no errors when syncing. You should only need to follow these steps on one device:

OmniFocus for Mac

Use these steps if OmniFocus on a Mac is syncing without error, but another device is displaying “No key in slot n”:

  1. Quit OmniFocus on all devices except the Mac that is not displaying an error.
  2. Choose Replace Server Database… from the OmniFocus File menu and confirm the action by clicking Replace on the dialog that appears. Replace Server Database menu item on Mac
  3. Sync your other devices normally.
  4. When re-synchronizing your other devices you may see a message that asks if you want to replace your database and start syncing. Choose the option to Keep Sync Database on any device that shows this message.

OmniFocus for iOS

Use these steps if OmniFocus on an iOS device is syncing without error, but another device is displaying “No key in slot n”:

  1. Make sure you have a strong network connection
  2. Quit OmniFocus on all devices except the iPhone or iPad that is not displaying the error.
  3. Open OmniFocus Settings and tap Replace Server Database in the Database section. Replace Sync Database on iOS
  4. Tap Replace Database.
  5. Sync your other devices normally.
  6. When re-synchronizing your other devices you may see a message that asks if you want to replace your database and start syncing. Choose the option to Keep Sync Database on any device that shows this message.

After completing these steps, if you see the following message on any iOS device, choose the option to Keep Sync Database.

Message to Replace your database and start syncing iOS

After completing these steps, if you see the following message on any Mac, click Sync to keep the sync database.

Message to Replace your database and start syncing Mac

Last Modified: Jan 29, 2020

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+1 206-523-4152 or 800-315-OMNI

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