How To Fix S_CUS_ACTIVITY020 - Specify customizing objects with unique keys

S_CUS_ACTIVITY020 - Overview

• Message type: E = Error

• Message class: S_CUS_ACTIVITY - Customizing Activity

• Message number: 020

• Message text: Specify customizing objects with unique keys

What causes this issue?

Customizing objects have been entered with the same object names,
object type, transaction code, and the same or no subobject.

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Customizing objects can only be saved with a unique key.

System Response

How to fix this error?

Change the customizing objects or specify different transaction codes
or subobjects.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

S_CUS_ACTIVITY020 - Details

• The SAP error message S_CUS_ACTIVITY020 indicates that there is an issue with the customizing objects in your SAP system. This error typically arises when you are trying to create or modify a customizing activity that requires unique keys for the objects involved, but the system has detected that the keys are not unique.
  
  Cause:
  
  Non-Unique Keys: The most common cause of this error is that the customizing objects you are trying to work with do not have unique identifiers. This can happen if multiple entries exist with the same key values in the customizing tables.
  Incorrect Configuration: Sometimes, the configuration settings may not be set up correctly, leading to conflicts in the keys.
  Transport Issues: If you are transporting customizing settings from one system to another, there may be conflicts or duplicates in the keys.
  
  
  Solution:
  To resolve the S_CUS_ACTIVITY020 error, you can follow these steps:
  
  
  Check Customizing Entries:
  
  Go to the relevant customizing transaction (e.g., SPRO) and