Notice: Over the next few months, we're reorganizing the App Engine documentation site to make it easier to find content and better align with the rest of Google Cloud products. The same content will be available, but the navigation will now match the rest of the Cloud products.

Python 3.10 is now generally available.

google.appengine.api.datastore_errors.TransactionNotFoundError

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DEPRECATED: Raised by RunInTransaction.

Inherits From: Error, expected_type

This is an internal error; you should not see this.