How To Fix MPE_OAN158 - An operation has to have at least one produce operation activity

SAP Error Message - Details

• Message type: E = Error

• Message class: MPE_OAN - Operation Activity Network Messages

• Message number: 158

• Message text: An operation has to have at least one produce operation activity

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message MPE_OAN158 - An operation has to have at least one produce operation activity ?

  The SAP error message MPE_OAN158 indicates that an operation in a production order or a process order does not have any associated produce operation activities. This error typically arises in the context of production planning and execution within SAP, particularly when working with production orders, process orders, or similar objects.
  Cause:
  The error occurs when:
  
  An operation is defined in a routing or a production order, but it lacks the necessary produce operation activities (e.g., no tasks or activities defined for that operation).
  The operation is not properly configured to include the required activities for production.
  There may be a missing or incorrect assignment of work centers or resources that are supposed to perform the operation.
  
  Solution:
  To resolve the MPE_OAN158 error, you can take the following steps:
  
  
  Check the Routing/Recipe:
  
  Go to the routing or recipe associated with the production order.
  Ensure that the operation in question has at least one produce activity defined. You can do this by navigating to the operation details and checking the "Activities" tab.
  
  
  
  Add Produce Activities:
  
  If there are no activities defined, you will need to add at least one produce activity to the operation. This can typically be done in the routing or recipe maintenance transaction (e.g., CA01 for creating a routing, CA02 for changing a routing).
  
  
  
  Verify Work Center Assignment:
  
  Ensure that the operation is assigned to a valid work center that is capable of performing the required activities. Check the work center configuration to ensure it is set up correctly.
  
  
  
  Check Production Order:
  
  If the error occurs while processing a production order, check the order details to ensure that the operations are correctly linked to the routing and that all necessary activities are included.
  
  
  
  Recreate the Order:
  
  In some cases, if the production order is corrupted or incorrectly configured, it may be necessary to delete and recreate the order after ensuring that the routing is correct.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for specific guidance on the configuration of operations and activities in your version of SAP.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  CA01: Create Routing
  CA02: Change Routing
  CO01: Create Production Order
  CO02: Change Production Order
  
  
  
  SAP Notes:
  
  Check SAP Notes for any known issues or patches related to this error message.
  
  
  
  Training and Support:
  
  If you are unsure about making changes, consider reaching out to your SAP support team or a consultant who specializes in SAP production planning.
  
  
  
  By following these steps, you should be able to identify the cause of the error and implement the necessary changes to resolve it.