How To Fix SCPR161 - Key field attribute set to 'Unchangeable after Activation'

SCPR161 - Overview

• Message type: E = Error

• Message class: SCPR - BC Sets

• Message number: 161

• Message text: Key field attribute set to 'Unchangeable after Activation'

What causes this issue?

You have selected a key field to put in a BC Set with the attribute '
<ZK>Default Value</>'.

System Response

All key fields in a BC Set have the attribute '<ZK>Fix</> (Cannot be
changed after activation)'.

How to fix this error?

Das System flags the key field as '<ZK>Fix</> (Cannot be changed after
activation)'.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

SCPR161 - Details

• The SAP error message SCPR161, which states "Key field attribute set to 'Unchangeable after Activation'," typically occurs in the context of SAP's data modeling and transport management, particularly when working with the SAP Cloud Platform or SAP HANA.
  
  Cause:
  This error arises when you attempt to change a key field in a data model (like a table or view) that has already been activated. In SAP, key fields are critical for identifying records uniquely, and once a data model is activated, the attributes of key fields are locked to maintain data integrity. The system prevents changes to these fields to avoid inconsistencies in the data model and its relationships.
  
  Solution:
  To resolve this error, you have a few options:
  
  
  Revert Changes: If you have made changes to the key field attributes, you will need to revert those changes. You can do this by either:
  
  Undoing the changes in the data model.
  Restoring the previous version of the