Diagnosis
You have called the (user exit) function module &V1&, but a requiredinput parameter was missing in the call.

System Response
INCLUDE EHS_NA_NO_MAINTAIN OBJECT DOKU ID TX

Procedure
Notify your system administrator and specify the steps you executed andthe name of the function module (&V1&).

Procedure for System Administration
Check the interface and the implementation of the user exit &V1&.