Diagnosis
The system found that a goodsreceipt/issue slip cannot be generated for thematerial document because nogoods receipt/issue slip number was assigned upon thegoods movement.
The system only assigns goods receipt/issue slip numbers if this hasbeen activated in Customizing for eachplant.

Procedure
INCLUDE NA_EINGABE_PRÜFEN
Display the material document and check whether thereis a goods receipt/issue slip number in the material document header.
INCLUDE NA_CUST_MAINTAIN