The wepppy.nodb classes have a singleton model to prevent multiple requests from simultaneously changing the model component. Occasionally when a process does not complete the .nodb file will be left in place which makes the instances read-only.
To clear the locks open the PowerUser Panel and click the Clear Locks button.
Combined Watershed Viewer URL Generator
The combined watershed generator allows a user to visualize the runoff and sediment loads across multiple catchments. Users supply a list of project runids and a link for the Combined Watershed Generator is Produced.