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

KU406 - Overview

• 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.

KU406 - Details

• 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: