Script Error when using the WriQ add-on

If you see the following error when using the WriQ add-on

WriQ Script error message

This is a Google error stating that the script has been trying to get the properties to/from the server too quickly.

We recommend waiting a few minutes (try 5) then re-trying the script. This error could occur when multiple Google Docs are open at once and all are trying to run the script at the same time.