How To Fix PPEBAPI054 - Model mix ID &1 does not match external key &2

PPEBAPI054 - Overview

• Message type: E = Error

• Message class: PPEBAPI - API and BAPI Messages in iPPE

• Message number: 054

• Message text: Model mix ID &1 does not match external key &2

What causes this issue?

Model mix &v2& already exists with a different internal key.

System Response

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

How to fix this error?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

PPEBAPI054 - Details

• The SAP error message PPEBAPI054 indicates that there is a mismatch between the model mix ID and the external key in the context of a Business Application Programming Interface (BAPI) call related to production planning or similar processes. This error typically arises when trying to create or update a model mix in SAP, and it suggests that the system cannot find a valid association between the provided model mix ID and the external key.
  
  Cause:
  
  Incorrect Model Mix ID: The model mix ID provided in the BAPI call does not exist in the system or is incorrectly specified.
  Invalid External Key: The external key provided does not correspond to the expected format or does not match any existing records in the database.
  Data Consistency Issues: There may be inconsistencies in the data, such as missing or incorrectly linked records in the relevant tables.
  
  Configuration Issues: The configuration settings for model mixes or external keys may