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

SAP Error Message - Details

• 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.

Smart SAP Assistant

• What is the cause and solution for SAP error message PPEBAPI054 - Model mix ID &1 does not match external key &2 ?

  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 not be set up correctly in the system.
  
  Solution:
  
  Verify Model Mix ID: Check the model mix ID being used in the BAPI call. Ensure that it is correct and exists in the system. You can do this by using transaction codes like PPC3 or PPC4 to view model mixes.
  Check External Key: Ensure that the external key provided is valid and corresponds to the correct model mix. Validate that it is formatted correctly and exists in the relevant tables.
  Data Consistency Check: Run consistency checks on the relevant data to ensure that all necessary records are present and correctly linked. This may involve checking related tables for missing entries.
  Review Configuration: If applicable, review the configuration settings for model mixes and external keys in the system. Ensure that they are set up correctly according to business requirements.
  Consult Documentation: Refer to SAP documentation or help resources for specific details on the BAPI being used and the expected parameters.
  Debugging: If you have access to development tools, consider debugging the BAPI call to trace the exact point of failure and gather more information about the mismatch.
  
  Related Information:
  
  BAPI Documentation: Review the official SAP documentation for the specific BAPI you are using to understand the expected input parameters and their formats.
  SAP Notes: Check SAP Notes for any known issues or patches related to the error message PPEBAPI054.
  Community Forums: Engage with SAP community forums or support channels for additional insights or similar experiences from other users.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.