SAP Message /SAPCND/CUSTOMIZING404 - Entry is in customer name space.

Diagnosis
You have tried to enter a new entry and used a key value that is in thecustomer name space.

System Response
The entry is rejected or accepted as a modification.

Procedure
Check your entry and, if necessary, enter a key value from thenamespace that you manage. You can see the name space definition usingthe program help RDDKOR54.