Diagnosis
You changed catalog fields the content of which is overwritten byEngineering Change Management. By setting theSupply ID to status 3, you can prevent thechanges being overwritten. This setting is recommended for theprocessed material only.
You did not save the supply ID of the catalog fields.

System Response
The content of the changed catalog fields is overwritten the next timeEngineering Change Management is carried out.

Procedure
Use the suggested supply ID to prevent the data being overwritten.