How To Fix KX809 - Data transfer terminated unexpectedly

SAP Error Message - Details

• Message type: E = Error

• Message class: KX - EC-EIS/EC-BP: Data basis, data collection

• Message number: 809

• Message text: Data transfer terminated unexpectedly

What causes this issue?

You have terminated the data transfer.

System Response

No further processing.

How to fix this error?

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message KX809 - Data transfer terminated unexpectedly ?

  The SAP error message KX809, which indicates that "Data transfer terminated unexpectedly," typically occurs during the execution of a data transfer process, such as during the transfer of cost center or internal order data in the Controlling (CO) module. This error can arise due to various reasons, and understanding the cause is essential for troubleshooting.
  Possible Causes:
  
  Network Issues: Interruption in network connectivity can lead to unexpected termination of data transfer.
  System Performance: High system load or performance issues can cause timeouts or failures during data processing.
  Data Integrity Issues: Corrupted or inconsistent data can lead to errors during the transfer process.
  Configuration Errors: Incorrect settings in the data transfer configuration can lead to unexpected terminations.
  Authorization Issues: Lack of proper authorizations for the user executing the data transfer can result in termination.
  Program Errors: Bugs or issues in the ABAP program or function module handling the data transfer can also cause this error.
  
  Solutions:
  
  Check Network Connectivity: Ensure that there are no network issues affecting the connection to the SAP system.
  Monitor System Performance: Check system performance metrics and logs to identify any bottlenecks or resource constraints.
  Validate Data: Review the data being transferred for any inconsistencies or corruption. Ensure that all required fields are populated correctly.
  Review Configuration: Verify the configuration settings related to the data transfer process to ensure they are set up correctly.
  Check Authorizations: Ensure that the user executing the transfer has the necessary authorizations to perform the operation.
  Debugging: If you have access to the ABAP code, consider debugging the program to identify any potential issues in the logic.
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide patches.
  Re-run the Process: After addressing the potential issues, try re-running the data transfer process to see if the error persists.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as KSB1 (Cost Centers: Actual Line Items) or KOB1 (Orders: Actual Line Items) to analyze data.
  Logs and Traces: Utilize transaction codes like SLG1 (Application Log) or ST22 (Dump Analysis) to check for any related logs or dumps that can provide more context on the error.
  SAP Community: Engage with the SAP Community or forums for insights from other users who may have encountered similar issues.
  
  If the problem persists after trying the above solutions, it may be necessary to involve your SAP Basis team or SAP support for further investigation.