How To Fix MEREP_01125 - Sync key &1 already exists in the replication DB for mobile ID &2

SAP Error Message - Details

• Message type: E = Error

• Message class: MEREP_01 - Runtime Messages for Synchronizers

• Message number: 125

• Message text: Sync key &1 already exists in the replication DB for mobile ID &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message MEREP_01125 - Sync key &1 already exists in the replication DB for mobile ID &2 ?

  The SAP error message MEREP_01125 indicates that there is a conflict in the replication database (DB) for mobile applications. Specifically, it means that a sync key (which is a unique identifier for a record) already exists in the replication database for the specified mobile ID. This can occur during data synchronization processes when the system attempts to insert a record that already exists.
  Cause:
  
  Duplicate Data: The most common cause of this error is that the data being synchronized contains a record with a sync key that already exists in the replication database.
  Incorrect Data Handling: There may be issues in the data handling logic, such as not properly checking for existing records before attempting to insert new ones.
  Concurrency Issues: If multiple processes are trying to insert the same record simultaneously, it can lead to this error.
  Data Migration Issues: If data was migrated into the replication database without proper checks, it could lead to duplicate sync keys.
  
  Solution:
  
  Check for Duplicates: Before attempting to insert a new record, check the replication database to see if a record with the same sync key already exists. If it does, you may need to update the existing record instead of inserting a new one.
  Data Cleanup: If there are duplicate records in the replication database, you may need to clean up the data to remove duplicates or resolve conflicts.
  Error Handling Logic: Implement error handling in your synchronization logic to gracefully handle cases where a sync key already exists. This could involve updating the existing record or skipping the insert.
  Review Data Migration Processes: If the issue arose after a data migration, review the migration process to ensure that it correctly handles existing records and does not create duplicates.
  Consult SAP Documentation: Refer to SAP documentation or support for specific guidance related to your version of SAP and the mobile application you are using.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Replication Configuration: Review the configuration settings for the replication database to ensure they are set up correctly.
  Mobile Application Logs: Look at the logs for the mobile application to gather more context about when and why the error is occurring.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.