How To Fix CNV_IUUC_REPLICATION349 - Inconsistencies still exist between proxy table and target table

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_IUUC_REPLICATION - IUUC replication messages (HANA)

• Message number: 349

• Message text: Inconsistencies still exist between proxy table and target table

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_IUUC_REPLICATION349 - Inconsistencies still exist between proxy table and target table ?

  The SAP error message CNV_IUUC_REPLICATION349 indicates that there are inconsistencies between the proxy table and the target table during data replication processes, typically in the context of SAP Landscape Transformation (SLT) or SAP Data Services. This error can occur when the data in the source system does not match the data in the target system, which can lead to issues in data integrity and replication.
  Causes:
  
  Data Changes: Changes made to the source data after the initial replication may not have been captured or replicated correctly.
  Replication Errors: Errors during the replication process can lead to incomplete or incorrect data being written to the target table.
  Table Structure Changes: Changes in the structure of the source or target tables (like adding or removing columns) that are not reflected in the other can cause inconsistencies.
  Transaction Log Issues: If the transaction logs are not being processed correctly, it can lead to discrepancies between the proxy and target tables.
  Network Issues: Temporary network issues during data transfer can lead to incomplete data being replicated.
  
  Solutions:
  
  Check Replication Status: Use transaction codes like SLT_MONITOR to check the status of the replication and identify any errors or warnings.
  Reinitialize Replication: If inconsistencies are found, you may need to reinitialize the replication for the affected tables. This involves stopping the replication, clearing the target table, and starting the replication process again.
  Data Consistency Check: Perform a consistency check between the proxy and target tables. You can use tools or scripts to compare the data in both tables.
  Review Logs: Check the SLT logs for any errors or warnings that occurred during the replication process. This can provide insights into what went wrong.
  Adjust Configuration: Ensure that the SLT configuration is correct and that all necessary settings are in place for the replication to function properly.
  Manual Correction: In some cases, you may need to manually correct the data in the target table to match the source table, especially if the discrepancies are minor.
  
  Related Information:
  
  SAP Notes: Check for relevant SAP Notes that may provide additional guidance or patches related to this error.
  Documentation: Review the SAP documentation for SLT or the specific data replication technology you are using for best practices and troubleshooting steps.
  Support: If the issue persists, consider reaching out to SAP support for assistance, providing them with detailed logs and error messages for further analysis.
  
  By following these steps, you should be able to identify the cause of the CNV_IUUC_REPLICATION349 error and implement a solution to resolve the inconsistencies between the proxy and target tables.