SAP Message USZ135 - Ind.&1: Enter a value for the key field

Diagnosis
You entered information for a new data record on the detail screen.However, you did not enter a value for the key field of the datarecord. The data record cannot be uniquely identified by the system.

System Response
The data record is not copied.

Procedure
Proceed in one of the following ways:

  • Enter a value in the key field, and save your changes.

  • Exit the detail screen with Cancel. In this case, your changes will be
  • lost.