Diagnosis
You have changed the setting for updating the data for the warehouseprocess for picking / goods issue.
Since you want to use the SAP standard tables both for the warehouseprocess picking / goods issue as well as for the warehouse process forreturns to vendor, and because these tables are identical, the settingsfor updating must also be identical.

System Response
The settings for updating are taken from the warehouse process forpicking / goods issue for the warehouse process 'returns to vendor'.

Procedure
For further information, read the F1 help for the radio buttons for theupdate options.