How To Fix CNV_IUUC_REPLICATION503 - Mass transfer ID &1 already uses this recording mechanism

CNV_IUUC_REPLICATION503 - Overview

• Message type: E = Error

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

• Message number: 503

• Message text: Mass transfer ID &1 already uses this recording mechanism

Self-Explanatory Message

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CNV_IUUC_REPLICATION503 - Details

• The SAP error message CNV_IUUC_REPLICATION503 indicates that a mass transfer ID is already using a specific recording mechanism. This typically occurs in the context of data replication or data transfer processes, particularly when using the SAP Landscape Transformation (SLT) replication server or similar tools.
  
  Cause:
  
  Duplicate Mass Transfer ID: The error arises when you attempt to create or use a mass transfer ID that is already in use for a different replication process or recording mechanism.
  
  Configuration Issues: There may be configuration issues in the SLT setup or in the way the mass transfer ID is being utilized.
  Concurrent Processes: If multiple processes are trying to use the same mass transfer ID simultaneously, this error can occur.
  
  
  Solution:
  
  Check Existing Mass Transfer IDs: Verify the existing mass transfer IDs in your system. You can do this by checking the relevant SLT configuration tables or using transaction codes like LTRC (for SLT monitoring).
  Use a Unique Mass Transfer