How To Fix ML4HRUN126 - No Quantity Changes allowed in category 'PC' (Row Index &1)

SAP Error Message - Details

• Message type: E = Error

• Message class: ML4HRUN - Messages for New Actual Costing

• Message number: 126

• Message text: No Quantity Changes allowed in category 'PC' (Row Index &1)

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message ML4HRUN126 - No Quantity Changes allowed in category 'PC' (Row Index &1) ?

  The SAP error message ML4HRUN126 indicates that there are no quantity changes allowed in the specified category 'PC' (which typically stands for "Production Cost"). This error usually occurs during the processing of material movements or inventory adjustments in the SAP system, particularly when dealing with production-related transactions.
  Cause:
  
  Category Restrictions: The error is triggered because the system does not allow quantity changes for the specified category. This could be due to configuration settings in the material master or the production order.
  Document Type: The document type being used may not permit changes to quantities in the specified category.
  Status of the Document: The document may be in a status that does not allow for quantity changes (e.g., completed or closed).
  User Authorizations: The user may not have the necessary authorizations to make changes to quantities in that category.
  
  Solution:
  
  Check Configuration: Review the configuration settings for the material and the production order. Ensure that the category 'PC' is set up correctly to allow for quantity changes if that is the intended behavior.
  Review Document Type: Check the document type being used for the transaction. If it is not set up to allow quantity changes, consider using a different document type or adjusting the configuration.
  Status Check: Verify the status of the document. If it is completed or closed, you may need to reverse or reopen the document before making changes.
  User Authorizations: Ensure that the user has the necessary permissions to perform quantity changes in the specified category. If not, contact your SAP security administrator to adjust the authorizations.
  Consult Documentation: Refer to SAP documentation or help resources for further insights into the specific category and its restrictions.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MB1A (Goods Withdrawal), MB1B (Transfer Posting), or MB1C (Other Goods Receipts) that may be involved in the process.
  SAP Notes: Check for any SAP Notes related to this error message for potential patches or updates that may address the issue.
  Support: If the issue persists, 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 root cause of the error and implement the necessary changes to resolve it.