How To Fix /FMP/MP063 - Key fields &1&2&3 do not match &4 entered

SAP Error Message - Details

• Message type: E = Error

• Message class: /FMP/MP -

• Message number: 063

• Message text: Key fields &1&2&3 do not match &4 entered

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 /FMP/MP063 - Key fields &1&2&3 do not match &4 entered ?

  The SAP error message /FMP/MP063 Key fields &1&2&3 do not match &4 entered typically indicates that there is a mismatch between the key fields in a data entry or processing operation. This error is often encountered in the context of SAP applications that involve master data or transactional data where specific key fields are expected to match certain criteria.
  Cause:
  
  
  Data Entry Error: The most common cause is that the user has entered data that does not correspond to the expected key fields. For example, if you are trying to create or update a record, the key fields (like material number, plant, or storage location) may not match the existing records in the database.
  
  
  Configuration Issues: There may be configuration settings in the system that are not aligned with the data being processed. This could involve settings in the relevant modules (like MM, SD, etc.) that define how key fields should be validated.
  
  
  Data Integrity Issues: There could be issues with the integrity of the data in the database, such as missing or incorrect entries in related tables.
  
  
  Custom Development: If there are custom programs or enhancements in place, they might not be handling the key fields correctly, leading to this error.
  
  
  Solution:
  
  
  Verify Input Data: Check the data you are entering to ensure that it matches the expected key fields. Make sure that all required fields are filled out correctly and that they correspond to existing records.
  
  
  Check Master Data: Look into the master data for the relevant objects (like materials, vendors, etc.) to ensure that the key fields are correctly defined and that there are no discrepancies.
  
  
  Review Configuration: If you have access, review the configuration settings in the relevant SAP modules to ensure that they are set up correctly and that they align with the data being processed.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for the specific transaction or process you are working with to understand the expected key field requirements.
  
  
  Debugging: If you have access to technical resources, consider debugging the program or transaction to identify where the mismatch is occurring.
  
  
  Contact Support: If the issue persists and you cannot identify the cause, consider reaching out to your SAP support team or consulting with SAP support for further assistance.
  
  
  Related Information:
  
  Transaction Codes: Depending on the context of the error, you may be working with specific transaction codes (like MM01 for material creation, VA01 for sales order creation, etc.).
  SAP Notes: Check for any relevant SAP Notes that might address this specific error message or provide guidance on similar issues.
  User Forums: SAP Community and other user forums can be valuable resources for finding similar issues faced by other users and their solutions.
  
  By following these steps, you should be able to identify the cause of the error and take appropriate action to resolve it.