How To Fix MDQ_RULE_REPO_CONS034 - A rule exists in both mapping tables at once.

SAP Error Message - Details

• Message type: E = Error

• Message class: MDQ_RULE_REPO_CONS - Master Data Quality Rule Repository Consistency

• Message number: 034

• Message text: A rule exists in both mapping tables at once.

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message MDQ_RULE_REPO_CONS034 - A rule exists in both mapping tables at once. ?

  The SAP error message MDQ_RULE_REPO_CONS034 indicates that there is a conflict in the mapping rules within the SAP system. Specifically, it means that a rule exists in both mapping tables simultaneously, which is not allowed. This can occur in scenarios involving Master Data Governance (MDG) or other data mapping processes where rules are defined for data transformation or validation.
  Cause:
  The error typically arises due to one of the following reasons:
  
  Duplicate Rules: The same rule has been defined in two different mapping tables, leading to ambiguity in which rule should be applied.
  Configuration Issues: There may be a misconfiguration in the mapping setup, where rules are not properly segregated.
  Data Migration or Import Errors: If data or rules were imported from another system or environment, duplicates may have been created inadvertently.
  
  Solution:
  To resolve the error, you can follow these steps:
  
  
  Identify Duplicate Rules:
  
  Check the mapping tables involved in the error. You can do this by accessing the relevant configuration in the SAP system.
  Look for the specific rule mentioned in the error message and see where it is defined in both mapping tables.
  
  
  
  Remove or Modify Duplicates:
  
  Decide which of the duplicate rules should be retained based on your business logic and requirements.
  Remove the duplicate rule from one of the mapping tables or modify it to ensure that it does not conflict with the other.
  
  
  
  Validate Configuration:
  
  After making changes, validate the configuration to ensure that there are no remaining conflicts.
  Test the mapping process to confirm that the error has been resolved.
  
  
  
  Documentation and Best Practices:
  
  Document the changes made to avoid similar issues in the future.
  Implement best practices for rule management to prevent duplicates, such as regular audits of mapping tables.
  
  
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like MDGIMG or MDG_MAINTAIN to access the relevant configuration settings.
  SAP Notes: Check for any relevant SAP Notes or documentation that may provide additional insights or updates related to this error.
  Support: If the issue persists after following the above steps, consider reaching out to SAP support for further assistance.
  
  By addressing the root cause of the duplicate rules and ensuring proper configuration, you should be able to resolve the MDQ_RULE_REPO_CONS034 error effectively.