How To Fix PO644 - Output device &1 is still used in transaction PAL

PO644 - Overview

• Message type: E = Error

• Message class: PO - Spooler message

• Message number: 644

• Message text: Output device &1 is still used in transaction PAL

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.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message PO644 - Output device &1 is still used in transaction PAL ?

  The SAP error message PO644 indicates that the output device specified (denoted as &1 in the message) is still being used in transaction PAL (Print Administration). This typically occurs when you attempt to delete or modify an output device that is currently in use or has active print requests associated with it.
  
  Cause:
  
  Active Print Requests: The output device is currently being used for print jobs that are still in the queue.
  
  Configuration Issues: The output device may be configured in a way that it is linked to ongoing processes or transactions.
  Transaction Locks: The device might be locked by a transaction that is still active, preventing changes.
  
  
  Solution:
  To resolve the PO644 error, you can follow these steps:
  
  
  Check Active Print Jobs:
  
  Go to transaction SP01 (Output Controller) to check if there are any active print jobs associated with the output device.
  If there are jobs, you may need to wait for them to complete or cancel them