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

SAP Error Message - Details

• 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

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_PE_GEN253 - [Tech Info]MWB mass transfer ID &1 was already created ?

  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 ID already exists and is valid, consider using it instead of creating a new one.
  
  
  
  Delete or Reset Incomplete Transfers:
  
  If the existing mass transfer ID is incomplete or erroneous, you may need to delete it or reset it. This can often be done through the Migration Workbench or relevant transaction codes.
  Ensure that you have the necessary authorizations to perform these actions.
  
  
  
  Check for Locks:
  
  Ensure that there are no locks on the mass transfer ID that could be causing the issue. You can check for locks using transaction code SM12.
  
  
  
  Consult Documentation:
  
  Review the SAP documentation or notes related to the Migration Workbench and mass transfer processes for any specific guidance or troubleshooting steps.
  
  
  
  Contact SAP Support:
  
  If the issue persists and you cannot resolve it, consider reaching out to SAP support for further assistance. Provide them with the error message and any relevant details about your migration process.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MWB (Migration Workbench), SE16 (Data Browser), and SE11 (Data Dictionary).
  SAP Notes: Search for SAP Notes related to CNV_PE_GEN253 for any patches or updates that may address this issue.
  Migration Workbench Documentation: Review the official SAP documentation for the Migration Workbench for best practices and troubleshooting tips.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to proceed with your data migration or transfer process.