How To Fix /ACCGO/CAS_STL_LOGIC501 - Approval queue &1 running in background, manual &2 not allowed

SAP Error Message - Details

• Message type: E = Error

• Message class: /ACCGO/CAS_STL_LOGIC -

• Message number: 501

• Message text: Approval queue &1 running in background, manual &2 not allowed

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /ACCGO/CAS_STL_LOGIC501 - Approval queue &1 running in background, manual &2 not allowed ?

  The SAP error message /ACCGO/CAS_STL_LOGIC501 indicates that there is an issue with the approval queue in the context of the SAP system, specifically related to the approval process for a certain transaction or document. The message states that the approval queue &1 is running in the background, and a manual approval &2 is not allowed.
  Cause:
  
  Background Processing: The error typically occurs when an approval queue is being processed in the background, and the system does not allow manual intervention or approval while this background process is active.
  Configuration Settings: There may be configuration settings in the approval workflow that restrict manual approvals when a background process is running.
  Concurrency Issues: The system may be designed to prevent conflicts between background processing and manual approvals to ensure data integrity and consistency.
  
  Solution:
  
  Wait for Background Process: The simplest solution is to wait for the background approval process to complete. Once it finishes, you should be able to perform the manual approval without encountering this error.
  Check Background Jobs: Use transaction codes like SM37 to check the status of background jobs. If the job is stuck or taking too long, you may need to investigate further or terminate it if appropriate.
  Review Workflow Configuration: If this issue occurs frequently, review the workflow configuration settings to see if adjustments can be made to allow for manual approvals under certain conditions.
  Consult Documentation: Refer to SAP documentation or notes related to the specific approval process you are working with for any additional guidance or known issues.
  Contact SAP Support: If the issue persists and you cannot find a resolution, consider reaching out to SAP support for assistance, especially if this is impacting business operations.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SWI1 (Work Item Selection) and SWI2_FREQ (Work Item Selection for Frequent Tasks) to monitor and manage workflow items.
  SAP Notes: Check for any SAP Notes that may address this specific error message or provide patches or updates that could resolve the issue.
  System Logs: Review system logs for any additional error messages or warnings that may provide more context about the issue.
  
  By following these steps, you should be able to address the error and understand the underlying causes.