How To Fix MILL_OC161 - Entry not possible; quantity in the combined order will be negative

SAP Error Message - Details

• Message type: E = Error

• Message class: MILL_OC - Messages for order combination

• Message number: 161

• Message text: Entry not possible; quantity in the combined order will be negative

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message MILL_OC161 - Entry not possible; quantity in the combined order will be negative ?

  The SAP error message MILL_OC161: Entry not possible; quantity in the combined order will be negative typically occurs in the context of production planning and order management, particularly in the mill industry. This error indicates that an attempt has been made to enter a quantity that would result in a negative total quantity for a combined order. Here’s a breakdown of the cause, potential solutions, and related information:
  Cause:
  
  Negative Quantity Entry: The most direct cause is that the quantity being entered for a production order or a combined order is less than the quantity already allocated or processed, leading to a negative balance.
  Order Combination Issues: If multiple orders are combined, the total quantity of the combined order may not allow for the new entry without going negative.
  Incorrect Order Status: The status of the order may not allow for further entries, especially if the order is already completed or closed.
  Data Entry Errors: Mistakes in data entry, such as entering the wrong order number or quantity, can also lead to this error.
  
  Solutions:
  
  Check Current Quantities: Review the current quantities for the combined order. Ensure that the quantity you are trying to enter does not exceed the available quantity.
  Adjust Quantities: If you need to enter a new quantity, adjust the existing quantities in the order to ensure that the total does not go negative.
  Review Order Status: Ensure that the order is in a status that allows for quantity adjustments. If the order is completed, you may need to create a new order or adjust the existing one appropriately.
  Consult Documentation: Refer to SAP documentation or your organization's guidelines for handling production orders and combined orders to ensure compliance with processes.
  Contact Support: If the issue persists, consider reaching out to your SAP support team or a consultant who can provide more specific guidance based on your system configuration.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CO02 (Change Production Order) or CO03 (Display Production Order) to manage production orders effectively.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  User Training: Ensure that users involved in order management are trained on the correct procedures for entering and managing quantities in SAP to minimize errors.
  
  By addressing the underlying causes and following the suggested solutions, you should be able to resolve the MILL_OC161 error effectively.