Diagnosis
The key that you have entered for the scheduling type does not exist.

System Response
Scheduling is carried out using the scheduling type "no scheduling".The system writes the basic dates into the operations.

Procedure
INCLUDE 'NA_ALLG_SYSTEMVERW' OBJECT DOKU ID TX
Check whether the key is defined for the scheduling type and define it,if necessary.
IF &DEVICE& = 'SCREEN'
Proceed
ENDIF