How To Fix MILL_OC158 - Header quantity is negative. Therefore, item cannot be deleted

SAP Error Message - Details

• Message type: E = Error

• Message class: MILL_OC - Messages for order combination

• Message number: 158

• Message text: Header quantity is negative. Therefore, item cannot be deleted

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message MILL_OC158 - Header quantity is negative. Therefore, item cannot be deleted ?

  The SAP error message MILL_OC158 indicates that there is an issue with the quantity of a header item in a production order or a similar document. Specifically, it means that the header quantity is negative, which prevents the deletion of the item associated with that header.
  Cause:
  
  Negative Header Quantity: The primary cause of this error is that the header quantity of the document (like a production order or a sales order) is negative. This can happen due to various reasons, such as incorrect data entry, adjustments made to the order, or issues during the production process.
  Incomplete Transactions: If there are incomplete transactions or postings related to the order, it may lead to inconsistencies in the quantity.
  System Configuration Issues: Sometimes, configuration settings in SAP may lead to unexpected behavior regarding quantity management.
  
  Solution:
  
  Check Header Quantity: Review the header quantity of the document in question. Ensure that it is not negative. If it is, you may need to adjust it to a valid positive quantity.
  Adjust or Reverse Transactions: If there are transactions that have caused the header quantity to become negative, consider reversing or adjusting those transactions. This may involve correcting inventory postings or production confirmations.
  Review Related Documents: Check for any related documents or transactions that might be affecting the header quantity. This includes checking for any goods movements, production orders, or sales orders linked to the item.
  Consult with SAP Support: If the issue persists and you cannot identify the cause, it may be beneficial to consult with your SAP support team or refer to SAP Notes for any known issues or patches related to this error.
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like CO03 (Display Production Order) or MB51 (Material Document List) to investigate the production order and related transactions.
  SAP Notes: Check SAP Notes for any specific fixes or updates related to this error message. You can search for the error message number in the SAP Support Portal.
  User Authorization: Ensure that you have the necessary authorizations to make changes to the document or to delete items.
  
  By following these steps, you should be able to resolve the error and understand the underlying issues causing the negative header quantity.