How To Fix CNV_PE_GEN253 - [Tech Info]MWB mass transfer ID &1 was already created

CNV_PE_GEN253 - Overview

• Message type: E = Error

• Message class: CNV_PE_GEN - Messages for object generation

• Message number: 253

• Message text: [Tech Info]MWB mass transfer ID &1 was already created

Self-Explanatory Message

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CNV_PE_GEN253 - Details

• The SAP error message CNV_PE_GEN253 indicates that a mass transfer ID (MT ID) has already been created in the system. This error typically occurs during data migration or data transfer processes, particularly when using the Migration Workbench (MWB) or similar tools.
  
  Cause:
  The error is triggered when an attempt is made to create a new mass transfer ID that already exists in the system. This can happen due to:
  
  A previous migration attempt that was not completed or was interrupted.
  A duplicate request to create a mass transfer ID.
  A configuration issue where the system does not recognize that the ID is already in use.
  
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Existing Mass Transfer IDs:
  
  Use transaction code SE16 or SE11 to check the relevant database tables (e.g., CNV_MBW_MASS_TRANSFER) for existing mass transfer IDs.
  Identify if the mass transfer ID you are trying to create already exists.
  
  
  
  Use Existing Mass Transfer ID:
  
  If the mass transfer