How To Fix JBDVT124 - Data has already been transferred for the same variable transaction

SAP Error Message - Details

• Message type: E = Error

• Message class: JBDVT - Messages for Variable Transaction

• Message number: 124

• Message text: Data has already been transferred for the same variable transaction

What causes this issue?

A transaction may only be transferred once during transfer of master
data or flow data for variable transactions. This item has already been
transferred in a data transfer.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message JBDVT124 - Data has already been transferred for the same variable transaction ?

  The SAP error message JBDVT124, which states "Data has already been transferred for the same variable transaction," typically occurs in the context of data transfer processes, particularly when dealing with the SAP Business Warehouse (BW) or SAP Data Services. This error indicates that there is an attempt to transfer data for a variable transaction that has already been processed, leading to a conflict.
  Cause:
  
  Duplicate Data Transfer: The most common cause of this error is that the data for the specified variable transaction has already been transferred. This can happen if the same data load is attempted multiple times without proper handling of the data state.
  Incorrect Configuration: There may be issues with the configuration of the data transfer process, such as incorrect settings in the data source or the target system.
  Timing Issues: If multiple processes are trying to transfer data simultaneously, it can lead to conflicts and this error message.
  Data Locking: The data might be locked by another process, preventing the current transaction from proceeding.
  
  Solution:
  
  Check for Existing Data: Before attempting to transfer data, check if the data for the variable transaction has already been transferred. You can do this by reviewing the logs or the status of previous data loads.
  Adjust Data Transfer Logic: Modify the data transfer logic to ensure that it does not attempt to transfer the same data multiple times. This may involve implementing checks or flags to track the state of data transfers.
  Review Configuration: Ensure that the configuration settings for the data transfer process are correct. This includes checking the data source, target, and any transformation rules that may be in place.
  Sequential Processing: If multiple processes are involved, consider implementing a sequential processing approach to avoid conflicts. This can be done by ensuring that one process completes before another begins.
  Error Handling: Implement error handling in your data transfer processes to gracefully manage situations where data has already been transferred.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any specific guidance or patches related to this error. SAP frequently updates its documentation and provides solutions for known issues.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as RSA1 (Data Warehousing Workbench) or RSMO (Monitor Data Transfer) to monitor and manage data transfer processes.
  Logs and Monitoring: Utilize transaction codes like SLG1 (Application Log) to review logs for more detailed error messages and context around the failure.
  Documentation: Refer to SAP documentation for best practices on data transfer processes, especially in BW or Data Services environments.
  
  By following these steps, you should be able to resolve the JBDVT124 error and ensure smooth data transfer operations in your SAP environment.