How To Fix MPN02023 - There is an inconsistency between &1 and leading part &2

SAP Error Message - Details

• Message type: E = Error

• Message class: MPN02 - MPN Message: Materials Planning

• Message number: 023

• Message text: There is an inconsistency between &1 and leading part &2

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message MPN02023 - There is an inconsistency between &1 and leading part &2 ?

  The SAP error message MPN02023 indicates that there is an inconsistency between a specific material (or part) and its leading part in the context of a material master or a related configuration. This error typically arises in scenarios involving material management, especially when dealing with variants or configurable materials.
  Cause:
  The inconsistency can occur due to several reasons, including:
  
  Data Entry Errors: Incorrect data entry when creating or modifying material master records.
  Configuration Issues: Problems in the configuration of the material or its variants, where the leading part does not match the expected characteristics of the associated materials.
  Master Data Changes: Changes made to the leading part or its attributes that are not reflected in the dependent materials.
  Inconsistent Settings: Settings in the material master that do not align with the leading part's specifications.
  
  Solution:
  To resolve the MPN02023 error, you can follow these steps:
  
  
  Check Material Master Data:
  
  Go to the material master record for both the material in question (&1) and the leading part (&2).
  Verify that all relevant fields and attributes are consistent and correctly configured.
  
  
  
  Review Configuration Settings:
  
  If the materials are part of a variant configuration, ensure that the configuration profiles and dependencies are correctly set up.
  Check if the leading part is correctly defined and that all variants are properly linked.
  
  
  
  Data Consistency Check:
  
  Use transaction codes like MM03 (Display Material) or MM02 (Change Material) to review the details.
  Look for any discrepancies in the classification, characteristics, or other relevant data.
  
  
  
  Update or Correct Data:
  
  If you find any inconsistencies, update the material master records to ensure they align with the leading part.
  Make sure to save your changes and recheck the system for any remaining issues.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for specific guidance on handling material master inconsistencies.
  
  
  
  Contact SAP Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP support for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: MM01 (Create Material), MM02 (Change Material), MM03 (Display Material), and CS03 (Display Material BOM) may be useful for checking material configurations.
  SAP Notes: Search for relevant SAP Notes that may address known issues related to this error message.
  User Forums: Engage with SAP community forums or user groups for shared experiences and solutions from other users who may have encountered the same error.
  
  By following these steps, you should be able to identify and resolve the inconsistency causing the MPN02023 error in SAP.