Can not update from 9.1.0 to 9.1.2 - Error [UnexpectedValueException]

Server
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I have the solution.

https://github.com/owncloud/updater/files/563022/patched-91x.zip

From this Thread:
You can use this patch “"Patches for known update issues from version 9.0.4, 9.0.5, 9.1.0, 9.1.1”