How To Fix MDG_HDB_SEARCH004 - Error during data replication

SAP Error Message - Details

• Message type: E = Error

• Message class: MDG_HDB_SEARCH -

• Message number: 004

• Message text: Error during data replication

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 MDG_HDB_SEARCH004 - Error during data replication ?

  The SAP error message MDG_HDB_SEARCH004 typically indicates an issue during the data replication process in SAP Master Data Governance (MDG) when using HANA as the database. This error can arise due to various reasons, including configuration issues, data inconsistencies, or problems with the underlying database.
  Possible Causes:
  
  Configuration Issues: Incorrect settings in the MDG configuration can lead to replication errors.
  Data Inconsistencies: If the data being replicated has inconsistencies or does not meet the required format, it can cause replication to fail.
  Database Issues: Problems with the HANA database, such as connectivity issues, insufficient resources, or database locks, can also trigger this error.
  Missing or Incorrect Mapping: If there are issues with the mapping of fields between the source and target systems, it can lead to replication failures.
  Authorization Issues: Lack of proper authorizations for the user performing the replication can also result in errors.
  
  Solutions:
  
  Check Configuration: Review the MDG configuration settings to ensure they are correctly set up for data replication. This includes checking the replication model and settings in the MDG customizing.
  Data Validation: Validate the data being replicated to ensure it meets all necessary criteria and formats. Look for any inconsistencies or errors in the data.
  Database Health Check: Perform a health check on the HANA database. Ensure that it is running properly, and check for any locks or performance issues that might be affecting replication.
  Review Logs: Check the application logs and the HANA database logs for more detailed error messages that can provide insights into the root cause of the issue.
  Field Mapping: Verify the field mapping between the source and target systems to ensure that all required fields are correctly mapped and that there are no discrepancies.
  Authorization Check: Ensure that the user performing the replication has the necessary authorizations to execute the replication process.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Documentation: Refer to the official SAP documentation for MDG and HANA for best practices and troubleshooting guidelines related to data replication.
  
  If the issue persists after trying the above solutions, it may be beneficial to contact SAP support for further assistance.