How To Fix UCD1023 - &1 &2 not defined for independent characteristic &3

UCD1023 - Overview

• Message type: E = Error

• Message class: UCD1 - Messages for Document and Breakdown Check

• Message number: 023

• Message text: &1 &2 not defined for independent characteristic &3

What causes this issue?

Characteristic &V1& is dependent on characteristic &V3&, which means
that a value of characteristic &V1& is only valid in combination with
one or more values of characteristic &V3&.
Two situations are possible:
The value &V2& exists, but not in conjunction with the value(s) of
independent characteristic &V3&.
The value &V2& does not exist.

System Response

Record cannot be processed

How to fix this error?

Depending on the situation, change the values for characteristic &V1& or
the values for characteristic &V3&.

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.

UCD1023 - Details

• The SAP error message UCD1023 typically indicates that there is an issue with the configuration of independent characteristics in the context of SAP's configuration management, particularly in the area of variant configuration. This error suggests that the system is unable to find a definition for a specific independent characteristic that is being referenced.
  
  Cause:
  The error message UCD1023 occurs due to one or more of the following reasons:
  
  Missing Definition: The independent characteristic referenced in the error message is not defined in the system. This could happen if the characteristic was deleted or never created.
  Incorrect Configuration: There may be a misconfiguration in the variant configuration settings, where the independent characteristic is expected but not properly set up.
  Data Inconsistency: There could be inconsistencies in the master data or configuration data that lead to the system being unable to recognize the characteristic.
  Transport Issues: If the configuration was transported from one system to another (e.g., from