How To Fix CNV_IUUC_REPLICATION377 - Structure of table incorrect; use a logging table with correct structure

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 377

• Message text: Structure of table incorrect; use a logging table with correct structure

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_IUUC_REPLICATION377 - Structure of table incorrect; use a logging table with correct structure ?

  The SAP error message CNV_IUUC_REPLICATION377 indicates that there is a mismatch in the structure of a table that is being used for data replication. This error typically arises in the context of SAP Landscape Transformation (SLT) or data replication scenarios where the source and target tables do not align correctly in terms of their structure.
  Cause:
  
  
  Table Structure Mismatch: The structure of the source table does not match the structure of the target table in the logging table. This can happen if:
  
  The source table has been altered (e.g., columns added, removed, or changed) after the initial configuration.
  The logging table was not created correctly or is outdated.
  There are inconsistencies in the data model between the source and target systems.
  
  
  
  Configuration Issues: Incorrect configuration settings in the SLT system can lead to this error, especially if the replication settings do not align with the current structure of the source table.
  
  
  Solution:
  
  
  Check Table Structures: 
  
  Verify the structure of both the source table and the logging table. Ensure that they match in terms of columns, data types, and any other relevant attributes.
  If there are discrepancies, you may need to adjust the logging table or the source table accordingly.
  
  
  
  Recreate the Logging Table:
  
  If the logging table is outdated or incorrectly structured, you may need to drop and recreate it. This can often resolve the issue.
  Use the SLT configuration to regenerate the logging table based on the current structure of the source table.
  
  
  
  Adjust SLT Configuration:
  
  Review the SLT configuration settings to ensure they are correctly set up for the current data model.
  If necessary, reconfigure the replication settings to align with the updated structure of the source table.
  
  
  
  Check for Active Replication:
  
  Ensure that there are no active replication processes that might be causing conflicts. Stop any ongoing replication processes before making structural changes.
  
  
  
  Consult SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes or updates related to this error message. There may be specific patches or recommendations provided by SAP.
  
  
  
  Related Information:
  
  SLT Documentation: Review the official SAP documentation on Landscape Transformation for detailed guidance on configuring and managing data replication.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have implemented.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as LTRC (SLT Configuration) and LTRC_LOG (SLT Logging) for monitoring and managing replication processes.
  
  By following these steps, you should be able to resolve the CNV_IUUC_REPLICATION377 error and ensure that your data replication processes function correctly.