How To Fix CNV_IUUC_REPLICATION274 - Primary key of table &2 changed (Mass Transfer &3); Field &1 deleted

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 274

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

What causes this issue?

One or more keys were deleted

System Response

Table was suspended

How to fix this error?

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

Procedure for System Administrators

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_REPLICATION274 - Primary key of table &2 changed (Mass Transfer &3); Field &1 deleted ?

  The SAP error message CNV_IUUC_REPLICATION274 indicates that there is an issue related to the replication of data in the context of the SAP Landscape Transformation (SLT) replication process. This specific error message suggests that the primary key of a table has changed, and one of the fields that was part of the primary key has been deleted.
  Cause:
  
  Schema Changes: The primary key of the table has been altered, which can happen if there are changes in the database schema, such as dropping a field that was part of the primary key.
  Mass Transfer: The error message references a "Mass Transfer," which indicates that a bulk operation is being performed on the data, and the changes in the primary key structure are causing issues during this operation.
  Data Replication Configuration: The configuration for data replication may not be aligned with the current structure of the database table, leading to inconsistencies.
  
  Solution:
  
  Review Schema Changes: Check the database schema for the table mentioned in the error message. Ensure that the primary key is correctly defined and that no necessary fields have been deleted.
  Adjust Replication Configuration: If the primary key has changed, you may need to adjust the SLT replication configuration to reflect the new primary key structure. This may involve reconfiguring the replication settings for the affected table.
  Reinitialize Replication: In some cases, it may be necessary to stop the replication, make the necessary adjustments, and then reinitialize the replication process for the affected table.
  Consult Documentation: Refer to SAP documentation or notes related to SLT and data replication for specific guidance on handling primary key changes and mass transfer operations.
  Check for Updates: Ensure that your SAP system is up to date with the latest patches and updates, as there may be fixes or improvements related to replication processes.
  
  Related Information:
  
  SAP Notes: Look for relevant SAP Notes that address this specific error message or similar issues. SAP Notes often provide detailed troubleshooting steps and solutions.
  SLT Documentation: Review the official SAP documentation for SAP Landscape Transformation to understand the implications of schema changes on data replication.
  Community Forums: Engage with SAP community forums or support channels where other users may have encountered similar issues and can share their experiences and solutions.
  
  If the issue persists after following these steps, it may be beneficial to reach out to SAP support for further assistance.