Diagnosis
You changed the content of fields that are to be overwritten in thenext Engineering Change Maintenance.
You can prevent the fields being overwritten by maintaining a suitablesupply indicator.

System Response
In the next screen, all the fields concerned are displayed and theappropriate supply indicator are suggested. The setting is limited tothe material being processed and therefore does not affect othermaterials. However, the setting can be extended to cover materialgroups.

Procedure
Make the general settings for the supply indicator inCustomizing.