How To Fix MILL_OC120 - Order type &1 does not match reference order

SAP Error Message - Details

• Message type: E = Error

• Message class: MILL_OC - Messages for order combination

• Message number: 120

• Message text: Order type &1 does not match reference order

What causes this issue?

The order type in the selection profile and the order type in the
reference order are different.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Please choose a suitable order type.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MILL_OC120 - Order type &1 does not match reference order ?

  The SAP error message MILL_OC120, which states "Order type &1 does not match reference order," typically occurs in the context of production planning and order management within the SAP system, particularly in the SAP Mill Products industry solution. This error indicates that there is a mismatch between the order type of the order you are trying to create or process and the order type of the reference order you are using.
  Cause:
  
  Order Type Mismatch: The order type of the new order does not match the order type of the reference order. This can happen if you are trying to copy or reference an order that has a different type than the one you are currently working with.
  Configuration Issues: There may be configuration settings in the system that define which order types can be used as references for others. If these settings are not aligned, it can lead to this error.
  Data Entry Errors: Sometimes, the error can be caused by incorrect data entry, where the user inadvertently selects the wrong order type.
  
  Solution:
  
  Check Order Types: Verify the order type of the reference order and ensure that the new order you are trying to create or process has the same order type. You can do this by checking the order details in the SAP system.
  Use Correct Reference Order: If you need to use a reference order, make sure to select one that has the same order type as the one you are trying to create.
  Configuration Review: If you believe the configuration might be the issue, consult with your SAP configuration team to review the settings related to order types and their relationships.
  Data Entry Verification: Double-check the data you have entered to ensure that you have not made any mistakes in selecting the order type or reference order.
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for more details on order types and their configurations.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CO01 (Create Production Order) or CO02 (Change Production Order) to navigate through the order management process.
  User Training: Ensure that users are trained on the correct procedures for creating and managing orders to minimize the occurrence of such errors.
  
  If the issue persists after checking these aspects, it may be beneficial to consult with your SAP support team or a technical consultant who can provide deeper insights into the specific configuration and setup of your SAP environment.