Box.V2.Exceptions.BoxException: The API returned an error [InternalServerError | nou5msgko0jmvi5k]

I'm getting the following error and not sure what is wrong. Can you provide any more details?

Using Box.V2 .net API V3.13.1

Box.V2.Exceptions.BoxException: The API returned an error [InternalServerError | nou5msgko0jmvi5k]