This article discusses this error:
Error Number = 67 Stored Procedure= taSopHdrIvcInsert Error Description = Subtotal does not match the line item totals
Node Identifier Parameters: taSopHdrIvcInsert
SOPNUMBE = ORD0000025
SOPTYPE = 2
Related Error Code Parameters for Node : taSopHdrIvcInsert
SUBTOTAL = Note: This parameter was not passed in, no value for the parameter will be returned.