How To Fix QM126 - Function can only be executed once

SAP Error Message - Details

• Message type: E = Error

• Message class: QM - Messages for quality notifications

• Message number: 126

• Message text: Function can only be executed once

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 QM126 - Function can only be executed once ?

  The SAP error message QM126 ("Function can only be executed once") typically occurs in the Quality Management (QM) module when a specific function or transaction is attempted to be executed multiple times in a way that is not allowed by the system. This can happen in various scenarios, such as when trying to create or process inspection lots, or when performing certain quality-related transactions.
  Causes:
  
  Duplicate Execution: The function you are trying to execute has already been processed or executed once, and the system does not allow it to be executed again.
  Status Issues: The status of the inspection lot or the object you are working with may not allow for the function to be executed again.
  Transaction Locking: The transaction may be locked due to another user or process, preventing further execution.
  Configuration Settings: Certain configurations in the QM module may restrict the execution of specific functions to once per transaction.
  
  Solutions:
  
  Check Status: Verify the status of the inspection lot or the object you are working with. If it has already been processed, you may need to review the results or take appropriate actions based on the current status.
  Review Logs: Check the application logs or transaction logs to see if there are any indications of why the function cannot be executed again.
  Transaction Management: Ensure that no other users are currently processing the same transaction. If necessary, coordinate with your team to avoid conflicts.
  Reprocess or Reverse: If applicable, consider reversing the previous action if the business process allows it, and then attempt to execute the function again.
  Consult Documentation: Review SAP documentation or help files related to the specific function you are trying to execute for any additional constraints or requirements.
  Contact Support: If the issue persists and you cannot determine the cause, consider reaching out to your SAP support team or consulting SAP Notes for any known issues related to this error.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any updates or patches related to the QM126 error. SAP frequently releases notes that address specific issues or provide guidance on error messages.
  Transaction Codes: Familiarize yourself with the relevant transaction codes in the QM module that may be related to the function you are trying to execute.
  User Authorization: Ensure that you have the necessary authorizations to perform the action you are attempting. Lack of proper authorization can sometimes lead to unexpected error messages.
  
  By following these steps, you should be able to identify the cause of the QM126 error and take appropriate actions to resolve it.