How To Fix MILL_OC019 - Order & has an invalid order category

SAP Error Message - Details

• Message type: E = Error

• Message class: MILL_OC - Messages for order combination

• Message number: 019

• Message text: Order & has an invalid order category

What causes this issue?

The order category of order &V1& is not the same as the order category
of the reference order.
In order combination, only orders with one order category (production
order or process order) can be combined.

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?

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_OC019 - Order & has an invalid order category ?

  The SAP error message MILL_OC019 indicates that the order you are trying to process has an invalid order category. This error typically occurs in the context of production planning and control, particularly in the manufacturing module of SAP.
  Cause:
  The error can be caused by several factors, including:
  
  
  Incorrect Order Type: The order type you are trying to use may not be valid for the operation you are performing. This could be due to configuration issues or incorrect data entry.
  
  
  Missing Configuration: The order category may not be properly configured in the system. This can happen if the order type is not defined in the system or if it has been deactivated.
  
  
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to access or process the specific order type.
  
  
  Data Integrity Issues: There may be inconsistencies in the master data related to the order type or category.
  
  
  Solution:
  To resolve the MILL_OC019 error, you can take the following steps:
  
  
  Check Order Type: Verify that the order type you are using is valid for the operation you are trying to perform. You can do this by checking the configuration in the SAP system.
  
  
  Review Configuration: Go to the configuration settings for order types in the SAP system (Transaction code: OPL8 for production orders) and ensure that the order category is correctly defined and active.
  
  
  User Authorizations: Ensure that the user has the necessary authorizations to create or process the order type in question. You may need to consult with your SAP security team.
  
  
  Master Data Check: Review the master data related to the order type and ensure that all necessary fields are filled out correctly. This includes checking the material master, routing, and BOM (Bill of Materials).
  
  
  Consult Documentation: Refer to SAP documentation or help files for specific details about the order type and its valid categories.
  
  
  Contact SAP Support: If the issue persists after checking the above points, consider reaching out to SAP support for further assistance.
  
  
  Related Information:
  
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as:
  
  CO01: Create Production Order
  CO02: Change Production Order
  CO03: Display Production Order
  OPL8: Configuration for Order Types
  
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to the error message.
  
  
  Training and Documentation: Ensure that users are trained on the correct procedures for creating and managing orders in SAP to minimize errors.
  
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.