How To Fix MDC_MODEL022 - Fatal error: inconsistency of key mapping, match groups and source status

SAP Error Message - Details

• Message type: E = Error

• Message class: MDC_MODEL - Messages In Context Of MDC Model

• Message number: 022

• Message text: Fatal error: inconsistency of key mapping, match groups and source status

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message MDC_MODEL022 - Fatal error: inconsistency of key mapping, match groups and source status ?

  The SAP error message MDC_MODEL022, which indicates a "Fatal error: inconsistency of key mapping, match groups and source status," typically arises in the context of SAP Master Data Governance (MDG) or SAP S/4HANA when there are inconsistencies in the data model or configuration related to key mapping and match groups.
  Causes:
  
  
  Inconsistent Key Mapping: This can occur if there are discrepancies between the keys defined in the source system and those in the target system. For example, if a key mapping is not correctly defined or if there are missing entries in the mapping table.
  
  
  Match Group Issues: If the match groups defined for the data do not align with the key mapping or if there are changes in the match group configuration that have not been properly updated in the system.
  
  
  Source Status Mismatch: The source status of the data being processed may not match the expected status in the target system, leading to inconsistencies.
  
  
  Data Model Changes: If there have been recent changes to the data model or configuration settings in MDG or S/4HANA, these changes may not have been fully propagated or may conflict with existing configurations.
  
  
  Solutions:
  
  
  Check Key Mapping Configuration: Review the key mapping configuration in the MDG or S/4HANA system. Ensure that all necessary mappings are defined correctly and that there are no missing or incorrect entries.
  
  
  Validate Match Groups: Examine the match groups to ensure they are correctly defined and that they correspond to the key mappings. Make sure that any changes to match groups are reflected in the system.
  
  
  Review Source Status: Check the source status of the data being processed. Ensure that it matches the expected status in the target system. If there are discrepancies, correct them.
  
  
  Data Model Consistency: If there have been recent changes to the data model, ensure that all related configurations are updated accordingly. This may involve reactivating or regenerating certain components.
  
  
  Logs and Traces: Review system logs and traces for additional details about the error. This can provide insights into what specifically is causing the inconsistency.
  
  
  Consult Documentation: Refer to SAP documentation or notes related to MDC_MODEL022 for any specific guidance or patches that may address the issue.
  
  
  Contact SAP Support: If the issue persists after checking the above points, consider reaching out to SAP Support for further assistance. They may provide specific insights based on the version of your system and the context of the error.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide updates and patches.
  MDG Configuration Guides: Review the configuration guides for SAP MDG to ensure that all settings are correctly implemented.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify and resolve the inconsistency causing the MDC_MODEL022 error.