A particularly nasty bug affected teams using Revit Server or BIM 360. When a user attempted to Relinquish All Mine before closing the model, Revit would throw error InternalException 3.4.5 . This sometimes led to a corrupt local cache, forcing users to re-download the entire central model (wasting 30–45 minutes per incident). The corrects the database transaction handshake.
You can download and install the hotfix through the following official channels: revit 202029 hotfix updated
You must have or a later update already installed to apply this hotfix. A particularly nasty bug affected teams using Revit