How To Fix MDG_BS_ECC_CUSTOMER040 - Inconsistent key mapping for customer &1; update not possible

SAP Error Message - Details

• Message type: E = Error

• Message class: MDG_BS_ECC_CUSTOMER - Messages for Customer

• Message number: 040

• Message text: Inconsistent key mapping for customer &1; update not possible

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message MDG_BS_ECC_CUSTOMER040 - Inconsistent key mapping for customer &1; update not possible ?

  The SAP error message MDG_BS_ECC_CUSTOMER040 indicates that there is an inconsistency in the key mapping for a customer record in the Master Data Governance (MDG) system. This error typically arises when there is a mismatch between the customer data in the MDG system and the corresponding data in the connected ECC (Enterprise Central Component) system.
  Cause:
  
  
  Inconsistent Key Mapping: The key mapping between the MDG system and the ECC system for the customer record is not aligned. This could happen if:
  
  The customer record was deleted or modified in the ECC system after it was created in the MDG system.
  There are multiple entries for the same customer in the ECC system, leading to ambiguity in the key mapping.
  The customer number or other identifiers have been changed or are not correctly synchronized between the systems.
  
  
  
  Data Replication Issues: If there are issues with the data replication process between MDG and ECC, it can lead to inconsistencies in the key mapping.
  
  
  Configuration Issues: Incorrect configuration settings in the MDG or ECC system can also lead to this error.
  
  
  Solution:
  To resolve the error, you can follow these steps:
  
  
  Check Key Mapping:
  
  Go to the MDG system and check the key mapping for the customer in question. Ensure that the mapping is correct and corresponds to the customer data in the ECC system.
  
  
  
  Verify Customer Data in ECC:
  
  Log into the ECC system and verify the existence and status of the customer record. Ensure that the customer is active and that there are no inconsistencies in the data.
  
  
  
  Synchronize Data:
  
  If there are discrepancies, you may need to synchronize the data between the MDG and ECC systems. This may involve updating the customer record in MDG or ECC to ensure consistency.
  
  
  
  Check Replication Settings:
  
  Review the data replication settings and logs to ensure that there are no errors in the replication process. If there are issues, resolve them to ensure proper data flow between the systems.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to MDG and ECC integration for any specific guidelines or troubleshooting steps related to this error.
  
  
  
  Contact SAP Support:
  
  If the issue persists after following the above steps, consider reaching out to SAP support for further assistance. Provide them with the error message details and any relevant logs or screenshots.
  
  
  
  Related Information:
  
  MDG Configuration: Ensure that the MDG configuration for customer data management is correctly set up, including the data model, replication settings, and key mapping configurations.
  Data Governance Processes: Review the data governance processes in place to ensure that they are being followed correctly, which can help prevent such inconsistencies in the future.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as BP (Business Partner) in ECC and MDGIMG in MDG for managing customer data.
  
  By following these steps, you should be able to identify and resolve the inconsistency causing the error message MDG_BS_ECC_CUSTOMER040.