How To Fix MILL_OC003 - Select a reference order

SAP Error Message - Details

• Message type: E = Error

• Message class: MILL_OC - Messages for order combination

• Message number: 003

• Message text: Select a reference order

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_OC003 - Select a reference order ?

  The SAP error message MILL_OC003: "Select a reference order" typically occurs in the context of production planning or order management, particularly when dealing with production orders, process orders, or similar transactions in the SAP system. This error indicates that the system requires a reference order to proceed with the operation you are trying to perform.
  Cause:
  
  Missing Reference Order: The most common cause of this error is that the user has not selected a reference order when the system expects one. This could happen in various transactions where a reference order is necessary for processing, such as in the creation of a new order based on an existing one.
  Incorrect Transaction: The user might be in a transaction that requires a reference order but is not providing one.
  Configuration Issues: There may be configuration settings in the SAP system that require a reference order for certain operations, and these settings may not be aligned with the user's actions.
  
  Solution:
  
  Select a Reference Order: Ensure that you select a valid reference order when prompted. This could be an existing production order, process order, or any other relevant order type that the system requires.
  Check Transaction Steps: Review the steps you are taking in the transaction. Make sure you are following the correct procedure that includes selecting a reference order.
  Consult Documentation: Refer to the SAP documentation or user manuals for the specific transaction you are working with to understand the requirements for selecting a reference order.
  System Configuration: If you believe the error is due to a configuration issue, consult with your SAP administrator or technical team to review the settings related to order management and ensure they are correctly configured.
  User Training: If this error is common among users, consider providing additional training or resources to help them understand when and how to select a reference order.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with the relevant transaction codes that may lead to this error, such as CO01 (Create Production Order), CO02 (Change Production Order), or COR1 (Create Process Order).
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its system, and there may be specific notes addressing this error.
  User Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions or workarounds may be shared.
  
  If the problem persists after trying the above solutions, it may be beneficial to reach out to your SAP support team for further assistance.