Webdrawer - Message for Record not Found

CM 23.4.1

Since we upgraded, our Webdrawer instances are showing a rather consumer unhelpful auto-generated ServiceStack-based message ArgumentOutofRangeException. 

Does anyone know what we would need to modify to present a standard Webdrawer error page rather than ServiceStack for a record/object not found?

Thanks for any input.

Brian

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