How To Fix MPE_OAN315 - An operation must have at least one non-optional produce OA

SAP Error Message - Details

• Message type: E = Error

• Message class: MPE_OAN - Operation Activity Network Messages

• Message number: 315

• Message text: An operation must have at least one non-optional produce OA

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message MPE_OAN315 - An operation must have at least one non-optional produce OA ?

  The SAP error message MPE_OAN315 indicates that an operation in a production order or process must have at least one non-optional produce operation associated with it. This error typically arises in the context of production planning and execution, particularly when dealing with operations in a routing or production order.
  Cause:
  
  Missing Non-Optional Produce Operation: The operation defined in the routing or production order does not have any non-optional produce operations assigned. This means that the system expects at least one operation that is mandatory for the production process.
  Routing Configuration Issues: There may be issues with the routing configuration where the operations are not set up correctly, or the required operations are marked as optional.
  Incorrect Production Order Setup: The production order may not have been set up correctly, leading to the absence of necessary operations.
  
  Solution:
  
  
  Check Routing: 
  
  Go to the routing associated with the production order and ensure that there is at least one non-optional produce operation defined.
  If necessary, modify the routing to include a mandatory operation.
  
  
  
  Modify Production Order:
  
  If the production order is already created, you may need to adjust it to include the required operations. This can be done by editing the order and adding the necessary operations.
  
  
  
  Review Operation Settings:
  
  Ensure that the operations in the routing are correctly marked as mandatory (non-optional). You can do this in the routing transaction (e.g., CA01, CA02).
  
  
  
  Consult Documentation: 
  
  Review SAP documentation or help resources related to production order management and routing to understand the requirements for operations.
  
  
  
  Testing: 
  
  After making the necessary changes, test the production order again to ensure that the error does not reoccur.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CA01 (Create Routing), CA02 (Change Routing), and CO01 (Create Production Order) to navigate through the necessary configurations.
  SAP Notes: Check for any SAP Notes related to this error message for additional insights or patches that may address known issues.
  User Roles and Permissions: Ensure that you have the necessary permissions to make changes to routings and production orders, as restrictions may prevent you from modifying these elements.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or a functional consultant who specializes in production planning and execution.