How To Fix HUFUNCTIONS321 - No cancellation possible for handling unit &1

SAP Error Message - Details

• Message type: E = Error

• Message class: HUFUNCTIONS - Messages from FB with HU services without global t.

• Message number: 321

• Message text: No cancellation possible for handling unit &1

What causes this issue?

To cancel these handling units, you must have canceled at least one
material document item partially, since you have posted other handling
units using this material item.
Cancellation is only possible when a material document line is canceled
completely.

System Response

This activity is not possible.

How to fix this error?

You can cancel the whole material document. This cancels all
handling units that were posted using this material document.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message HUFUNCTIONS321 - No cancellation possible for handling unit &1 ?

  The SAP error message HUFUNCTIONS321 ("No cancellation possible for handling unit &1") typically occurs when you attempt to cancel a handling unit (HU) that cannot be canceled due to certain conditions or statuses associated with it. Here are some common causes, solutions, and related information for this error:
  Causes:
  
  Status of the Handling Unit: The handling unit may be in a status that does not allow cancellation. For example, if the HU has already been delivered, picked, or is part of a completed process, it cannot be canceled.
  Dependencies: The handling unit may be linked to other documents or processes (like deliveries, shipments, or inventory postings) that prevent its cancellation.
  System Configuration: Certain configurations in the system may restrict the cancellation of handling units based on business rules or settings.
  Incomplete Processes: If the handling unit is part of an incomplete process (e.g., not fully processed in a delivery), it may not be eligible for cancellation.
  
  Solutions:
  
  Check the Status: Review the status of the handling unit in the system. You can do this by navigating to the handling unit in the SAP GUI and checking its current status. If it is in a status that does not allow cancellation, you may need to complete or reverse the related processes first.
  Review Dependencies: Investigate if the handling unit is linked to any other documents or processes. If it is, you may need to cancel or reverse those documents first before attempting to cancel the handling unit.
  Consult Configuration: If you suspect that system configuration is causing the issue, consult with your SAP configuration team or refer to the relevant configuration settings in the system.
  Use Alternative Processes: If cancellation is not possible, consider using alternative processes such as reversing the goods movement or adjusting inventory levels as needed.
  Check for Authorizations: Ensure that you have the necessary authorizations to perform cancellation actions on handling units.
  
  Related Information:
  
  Transaction Codes: You can use transaction codes like HU02 (Change Handling Unit) or HU03 (Display Handling Unit) to view and manage handling units.
  Documentation: Refer to SAP Help documentation for handling units and their lifecycle management for more detailed information on statuses and processes.
  Support: If the issue persists and you cannot find a resolution, consider reaching out to SAP support or your internal SAP support team for further assistance.
  
  By following these steps, you should be able to identify the cause of the error and take appropriate actions to resolve it.