How To Fix HUSTOCK021 - Handling unit has already been posted for GI. No comparison possible

SAP Error Message - Details

• Message type: E = Error

• Message class: HUSTOCK - Messages from Stock Comparison

• Message number: 021

• Message text: Handling unit has already been posted for GI. No comparison possible

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 HUSTOCK021 - Handling unit has already been posted for GI. No comparison possible ?

  The SAP error message HUSTOCK021 indicates that a handling unit (HU) has already been posted for Goods Issue (GI), and therefore, no further comparison or processing can be done for that particular handling unit. This error typically arises in the context of warehouse management and logistics processes within SAP.
  Cause:
  
  Duplicate Posting: The handling unit has already been processed for a goods issue, meaning it has been removed from stock and cannot be processed again for the same transaction.
  Incorrect Transaction Sequence: The sequence of transactions may not have been followed correctly, leading to attempts to post a goods issue for a handling unit that has already been posted.
  System Configuration: There may be configuration settings in the SAP system that prevent the handling unit from being reused for goods issues.
  
  Solution:
  
  Check Handling Unit Status: Verify the status of the handling unit in the system. You can do this by using transaction codes like HU02 (Display Handling Unit) to see if it has already been posted for goods issue.
  Review Transaction History: Look at the transaction history for the handling unit to confirm that it has indeed been posted for GI. This can help in understanding the sequence of events leading to the error.
  Correct Transaction: If the handling unit needs to be processed again, you may need to create a new handling unit or reverse the previous goods issue if applicable and allowed by your business processes.
  Consult Documentation: Review the relevant SAP documentation or consult with your SAP support team to understand the specific configurations that might be affecting the handling unit processing.
  Error Handling: If the error persists and you believe it is incorrect, consider reaching out to your SAP support team for further investigation. They may need to check for any underlying issues in the system or data integrity.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as HU02 (Display Handling Unit), VL02N (Change Outbound Delivery), and MB1A (Goods Withdrawal) to manage handling units and goods issues.
  SAP Notes: Check SAP Notes for any known issues or patches related to handling units and goods issues. This can provide insights into similar problems faced by other users.
  User Roles and Permissions: Ensure that the user attempting to perform the goods issue has the necessary permissions to process handling units in the system.
  
  By following these steps, you should be able to resolve the HUSTOCK021 error and understand the handling unit's status in your SAP system.