How To Fix GD125 - First start a transfer in a test run

SAP Error Message - Details

• Message type: E = Error

• Message class: GD - EDT: External data transfer

• Message number: 125

• Message text: First start a transfer in a test run

What causes this issue?

File splitting cannot be carried out since the program has not yet been
generated.

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?

First start a transfer of the same type in a test or update run with at
least one record in the sender file. The required program is generated.
This is then available for as long as the name of the transfer exists
in R/3.

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 GD125 - First start a transfer in a test run ?

  The SAP error message GD125, which states "First start a transfer in a test run," typically occurs in the context of data transfer processes, such as during the execution of a data transfer program or when using transaction codes related to data migration or transfer.
  Cause:
  The error usually arises when a user attempts to execute a data transfer without first running it in test mode. The system requires that the transfer process be validated in a test run to ensure that the data will be transferred correctly without any issues. This is a precautionary measure to prevent data inconsistencies or errors during the actual transfer.
  Solution:
  To resolve the GD125 error, follow these steps:
  
  
  Run a Test Transfer:
  
  Navigate to the transaction or program that you are trying to execute.
  Look for an option to run the transfer in "Test Mode" or "Test Run." This is often a checkbox or a specific parameter that you can set.
  Execute the transfer in test mode. This will simulate the transfer process without making any actual changes to the database.
  
  
  
  Review Test Results:
  
  After the test run is complete, review the results for any errors or warnings. This will help you identify any potential issues that need to be addressed before performing the actual transfer.
  
  
  
  Correct Any Issues:
  
  If the test run reveals any issues, make the necessary corrections to the data or configuration before proceeding.
  
  
  
  Perform the Actual Transfer:
  
  Once you are satisfied with the test results and have resolved any issues, you can proceed to run the transfer in actual mode.
  
  
  
  Related Information:
  
  Transaction Codes: Depending on the context, the error may occur in various transaction codes related to data transfer, such as LSMW (Legacy System Migration Workbench), or during data uploads using BAPIs or IDocs.
  Documentation: Refer to SAP documentation or help files related to the specific data transfer process you are using for more detailed instructions and best practices.
  SAP Notes: Check SAP Notes for any known issues or patches related to the specific transaction or program you are using, as there may be updates or fixes available.
  
  By following these steps, you should be able to resolve the GD125 error and successfully perform your data transfer.