How To Fix PO546 - Reactivation is currently being executed

SAP Error Message - Details

• Message type: E = Error

• Message class: PO - Spooler message

• Message number: 546

• Message text: Reactivation is currently being executed

What causes this issue?

You attempted to reactivate reset or old frontend output requests. This
was not possible, as this action has already been started.

System Response

No direct system action.

How to fix this error?

The identical action already running should reactivate the requests.

Procedure for System Administrators

If this message appears often, but the output requests are not
reactivated, this may be due to a frozen enqueue lock.
To prevent the reactivation from being executed by multiple processes
simultaneously, the system locks the execution using an enqueue lock.
This locks table TSP02F with the user name and client as keys. To
release the process, the lock is reset.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message PO546 - Reactivation is currently being executed ?

  The SAP error message PO546, which states "Reactivation is currently being executed," typically occurs in the context of Purchase Order (PO) processing. This error indicates that a reactivation process for a purchase order is currently in progress, and as a result, the system is unable to perform the requested action until the reactivation is completed.
  Cause:
  
  Concurrent Processes: The error often arises when multiple users or processes are trying to access or modify the same purchase order simultaneously. One user may have initiated a reactivation process, which locks the PO for other operations.
  System Locking Mechanism: SAP uses a locking mechanism to prevent data inconsistencies. If a reactivation is in progress, the system will not allow other changes to be made to that purchase order until the process is complete.
  
  Solution:
  
  Wait for Completion: The simplest solution is to wait for the reactivation process to complete. This may take a few moments, depending on the system load and the complexity of the purchase order.
  Check Background Jobs: If you have access, check the background jobs in the SAP system to see if there is a job related to the reactivation of the purchase order that is still running. You can do this using transaction codes like SM37 (Job Monitoring).
  Identify Locking User: If the issue persists, you can identify which user or process is holding the lock on the purchase order. Use transaction code SM12 to view and manage locks. Look for locks related to the specific purchase order number.
  Release Locks: If you find that a lock is held unnecessarily (for example, if a user has left the session open), you may need to release the lock. However, this should be done with caution and ideally with the knowledge of the user who initiated the process.
  Contact Support: If you are unable to resolve the issue, consider reaching out to your SAP support team or system administrator for assistance. They may have additional tools or insights to help resolve the issue.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as ME23N (Display Purchase Order), ME22N (Change Purchase Order), SM12 (Lock Entries), and SM37 (Job Monitoring).
  SAP Notes: Check for any SAP Notes related to this error message in the SAP Support Portal. There may be specific patches or updates that address known issues.
  Documentation: Review SAP documentation or user manuals for best practices on handling purchase orders and understanding the reactivation process.
  
  By following these steps, you should be able to address the PO546 error effectively.