How To Fix CNV_IUUC_REPLICATION126 - Migration object exists

CNV_IUUC_REPLICATION126 - Overview

• Message type: E = Error

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

• Message number: 126

• Message text: Migration object exists

Self-Explanatory Message

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CNV_IUUC_REPLICATION126 - Details

• The SAP error message CNV_IUUC_REPLICATION126 typically indicates that there is a conflict due to the existence of a migration object in the system. This error is often encountered during data migration processes, particularly when using the SAP Landscape Transformation (SLT) replication or SAP S/4HANA migration tools.
  
  Cause:
  The error occurs when:
  
  A migration object that you are trying to create or modify already exists in the system.
  There may be an inconsistency in the migration setup or configuration.
  The migration object might have been created in a previous migration attempt and not properly cleaned up.
  
  
  Solution:
  To resolve the CNV_IUUC_REPLICATION126 error, you can follow these steps:
  
  
  Check Existing Migration Objects:
  
  Use transaction code SLT or SE11 to check if the migration object already exists in the system.
  Look for any existing entries that might conflict with the new migration object you are trying to create.
  
  
  
  Delete or Modify Existing Objects:
  
  If you find that the migration object exists and is no longer