How To Fix CNV_IUUC_REPLICATION273 - Primary key of table &2 changed (Mass Transfer &3); Field &1 modified

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 273

• Message text: Primary key of table &2 changed (Mass Transfer &3); Field &1 modified

What causes this issue?

One or more keys were added or modified

System Response

Table is suspended

How to fix this error?

Table can be reloaded or the change can be reversed and replication can
be resumed.

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_IUUC_REPLICATION273 - Primary key of table &2 changed (Mass Transfer &3); Field &1 modified ?

  The SAP error message CNV_IUUC_REPLICATION273 indicates that there is an issue with the primary key of a table during a mass transfer operation. Specifically, it suggests that the primary key of the specified table (denoted as &2) has changed, and a field (denoted as &1) has been modified. This error typically occurs in the context of data replication or migration processes, particularly when using SAP Landscape Transformation (SLT) or similar tools.
  Cause:
  
  Primary Key Change: The primary key of the table has been altered, which can happen if the structure of the table is modified (e.g., adding or removing fields from the primary key).
  Field Modification: A field that is part of the primary key or is related to the replication process has been changed, which can lead to inconsistencies in the data being replicated or transferred.
  Data Consistency Issues: The data being transferred may not match the expected structure or constraints of the target table, leading to replication errors.
  
  Solution:
  
  Check Table Structure: Review the structure of the table &2 to ensure that the primary key is correctly defined and has not been altered unexpectedly.
  Review Mass Transfer Settings: Check the settings and configurations for the mass transfer operation (Mass Transfer &3) to ensure that they align with the current structure of the table.
  Data Consistency: Ensure that the data being replicated or transferred is consistent with the current schema of the target table. This may involve cleaning up or adjusting the data before the transfer.
  Reconfigure Replication: If the primary key has changed, you may need to reconfigure the replication settings in SLT or the relevant data transfer tool to accommodate the new structure.
  Consult Documentation: Refer to SAP documentation or notes related to the specific error message for additional guidance and troubleshooting steps.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional context on handling primary key changes during data replication.
  SLT Documentation: Review the SAP Landscape Transformation documentation for best practices on managing table structures and replication settings.
  Data Migration Tools: If using other data migration tools, consult their documentation for handling primary key changes and data consistency issues.
  
  If the issue persists after following these steps, it may be beneficial to engage with SAP support or a technical consultant who specializes in data replication and migration processes.