How To Fix KU406 - Task ID: &1 / Time: &2 / Return code: &3 / Server: &4

SAP Error Message - Details

• Message type: E = Error

• Message class: KU - Costing: Rollup

• Message number: 406

• Message text: Task ID: &1 / Time: &2 / Return code: &3 / Server: &4

What causes this issue?

Internal message for runtime measurement.
Further information is output here when a task is started or when the
results of a task are received.
Task ID: &V1&
Sequential number that identifies the RFC task

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

Time: &V2&
There are two time points:
S = Start: The RFC task is started
R = Receive: The result of the RFC task is received
Return code: &V3&
Return code for the start or receive process
Server: &V4&
Name of the server at which the task was started

System Response

How to fix this error?

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message KU406 - Task ID: &1 / Time: &2 / Return code: &3 / Server: &4 ?

  The SAP error message KU406 typically indicates an issue related to the background processing of a task in the SAP system. The message format includes placeholders for specific details, such as the Task ID, Time, Return code, and Server. Here’s a breakdown of the components and potential solutions:
  Cause
  
  Task ID: This identifies the specific task that encountered an error.
  Time: The timestamp when the error occurred.
  Return Code: This code provides insight into the nature of the error. Different return codes can indicate different issues, such as resource unavailability, permission issues, or system configuration problems.
  Server: The server where the task was executed, which can help in identifying if the issue is server-specific.
  
  Common Causes
  
  Resource Issues: The server may be experiencing resource constraints (CPU, memory, etc.).
  Configuration Errors: There may be misconfigurations in the background job settings or in the system itself.
  Authorization Problems: The user or process executing the task may lack the necessary permissions.
  Network Issues: Connectivity problems between the application server and the database or other services.
  Data Issues: The data being processed may be invalid or corrupt.
  
  Solutions
  
  Check the Return Code: Look up the specific return code in the SAP documentation or support notes to understand the exact nature of the error.
  Review Job Logs: Check the job logs for more detailed error messages that can provide additional context.
  Monitor System Resources: Use transaction codes like SM50 or SM66 to monitor system performance and resource usage.
  Check Authorizations: Ensure that the user or process has the necessary authorizations to execute the task.
  Review Configuration: Verify that the background job settings and system configurations are correct.
  Consult SAP Notes: Search for relevant SAP Notes that may address known issues related to the error message.
  Restart the Job: If the issue seems transient, try restarting the background job to see if it resolves the problem.
  Contact SAP Support: If the issue persists and cannot be resolved with the above steps, consider reaching out to SAP support for further assistance.
  
  Related Information
  
  Transaction Codes: Familiarize yourself with transaction codes like SM37 (to check job status), SM21 (system log), and ST22 (dump analysis) for troubleshooting.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  Documentation: Refer to SAP Help Portal for detailed documentation on background processing and error handling.
  
  By following these steps, you should be able to diagnose and potentially resolve the KU406 error in your SAP environment.