There seems to be a bug with tableUrl and gridUrl in that it doesn't allow you to leave them blank and just results in an Unexpected Exception.

Actually, im not sure what gridUrl is for? I thought it would be for the details link, but i think that's what tableUrl is for. anyway, i tried to leave it blank, but it just results in an 'Unexpected exception'. Tried multiple places, different projects, all resulting in the same error.