Diagnosis
You have entered a sales document type in the DIP profile or on thisscreen (Customer Quotation Calculation: Change Header Data) that doesnot match the sales document category quotation.
However, the creation of a quotation for a service order is onlypossible when you select sales document types from the quotationcategory.

System Response
Processing cannot continue.

Procedure
Enter a sales document type from the category quotation in theDIP profile or on this screen (see above).