Error 3001

Hi all,

I'm getting the following message when submitting electronically but I cant seem to find a resolution, or get through to sage to ask them, any ideas?

Error number : 3001 - The submission of this document has failed due to departmental specific business logic in the Body tag.
Error Number : 6010
Error Type : schema-validation
Location : CarsAndCarFuel
Error Text : Your submission is not in the correct format - please contact your software supplier and quote Error Code 6010.

Any help appreciated!