How To Fix WL321 - Background work item no. & could not be started: runtime error?


WL321 - Overview

  • Message type: E = Error

  • Message class: WL - Workflow: run-time messages

  • Message number: 321

  • Message text: Background work item no. & could not be started: runtime error?

  • Show details Hide details
  • What causes this issue?

    Background step no. &V1& was created (status: <ZH>ready</>), but has
    not been started (transition to status: <ZH>in process</>.

    System Response

    Workflow no. &V4& has stopped without this being noticed.

    How to fix this error?

    The cause of the problem may be one of the following:
    The transactional RFC call for starting the background step failed or
    is still waiting for its execution. In particular, when there is a high
    burden on the system this can delay the calling of the background step.
    Check the RFC queue (<DS:TRAN.SM58>transaction SM58</>) and the
    Customizing of the workflow system (<DS:TRAN.SWU3>transaction SWU3</>).
    The workflow system crashed when the background step was started.
    Analyze the system log (<DS:TRAN.SM21>transaction SM21</>) or any dumps
    (<DS:TRAN.ST22>transaction ST22</>).
    More information may be obtained by using the diagnostic utilities in
    SAP Business Workflow.
    If this message is still displayed after 30 minutes in the Workflow log
    and you cannot solve the problem yourself, contact the workflow system
    administrator responsible.

    Error message extract from SAP system. Copyright SAP SE.


Smart SAP Assistant

  • What is the cause and solution for SAP error message WL321 - Background work item no. & could not be started: runtime error? ?
    The SAP error message WL321 indicates that a background work item could not be started due to a runtime error. This error can occur for various reasons, and understanding the cause is essential for troubleshooting and resolving the issue. Here are some common causes, potential solutions, and related information:
    Causes:
    
    System 
    Configuration Issues: Incorrect configuration of the background processing settings in SAP can lead to this error. Resource Limitations: Insufficient system resources (e.g., memory, CPU) can prevent the background job from starting. Authorization Issues: The user or the background job may not have the necessary authorizations to execute the task. Program Errors: The ABAP program associated with the background job may contain errors or exceptions that cause it to fail. Database Issues: Problems with the database, such as locks or connectivity issues, can also lead to runtime errors. Job Scheduling Conflicts: Conflicts with other scheduled jobs or processes may prevent the job from starting. Solutions: Check Job Logs: Review

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