How To Fix CNV_IUUC_REPLICATION247 - Error when alter table &1 after source structure changed (&2)

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 247

• Message text: Error when alter table &1 after source structure changed (&2)

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_IUUC_REPLICATION247 - Error when alter table &1 after source structure changed (&2) ?

  The SAP error message CNV_IUUC_REPLICATION247 typically occurs during the process of data replication when there is a mismatch between the source and target table structures. This error indicates that an attempt was made to alter a table after the source structure has changed, which can lead to inconsistencies in the replication process.
  Cause:
  
  Source Structure Change: The most common cause of this error is that the structure of the source table has been modified (e.g., columns added, removed, or changed) after the initial replication setup.
  Replication Process: The replication process is trying to apply changes to the target table based on the old structure of the source table, which no longer matches.
  Inconsistent Metadata: The metadata in the replication setup may not have been updated to reflect the changes made to the source table.
  
  Solution:
  To resolve the CNV_IUUC_REPLICATION247 error, you can follow these steps:
  
  Check Source Table Structure: Verify the current structure of the source table to understand what changes have been made.
  Update Replication Configuration: If the source structure has changed, you may need to update the replication configuration to reflect these changes. This can involve:
  
  Reinitializing the replication setup.
  Adjusting the mapping of fields between the source and target tables.
  
  
  Reapply Changes: After updating the replication configuration, reapply the changes to the target table to ensure it matches the new structure of the source table.
  Monitor Replication: After making the necessary adjustments, monitor the replication process to ensure that it is functioning correctly without further errors.
  Consult Documentation: Refer to SAP documentation or notes related to the specific replication technology you are using (e.g., SLT, SAP Data Services) for additional guidance on handling structure changes.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may provide additional insights or specific instructions related to this error.
  Replication Technology: Understand the specific replication technology being used (e.g., SAP Landscape Transformation (SLT), SAP Data Services) as the steps to resolve the issue may vary.
  Testing: Before making changes in a production environment, it is advisable to test the changes in a development or test environment to avoid data inconsistencies.
  
  If the issue persists after following these steps, consider reaching out to SAP support for further assistance.