SAP Message >R016 - Document type not transferred

Diagnosis
Error when checking the document in the FI/CO interface.
The document type for Contract Accounts Receivable and Payablehas not been filled in the customer item for the transaction/document.The incomplete transaction has been transferred to the FI/CO interface.
Defective item:
Reference transaction AWTYP &V1&
Reference document number AWREF &V2&
Reference organization AWORG &V3&
Item number POSNR &V4&

Procedure
Check the Customizing for determining the document type.