How To Fix MILL_OC076 - OrdNo &1, Opn &2: External operations cannot be combined

SAP Error Message - Details

• Message type: E = Error

• Message class: MILL_OC - Messages for order combination

• Message number: 076

• Message text: OrdNo &1, Opn &2: External operations cannot be combined

What causes this issue?

You tried to include an externally processed operation in combination
by operation.

System Response

The system terminates the operation.

How to fix this error?

Remove the externally processed operation from order combination.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MILL_OC076 - OrdNo &1, Opn &2: External operations cannot be combined ?

  The SAP error message MILL_OC076 indicates that there is an issue with combining external operations in a production order. This error typically arises in the context of production planning and execution, particularly when dealing with operations that are defined as external (outsourced) in the routing of a production order.
  Cause:
  The error occurs when the system detects that there are multiple external operations in a production order that cannot be combined. This can happen for several reasons, including:
  
  Routing Configuration: The routing for the production order may have been set up incorrectly, leading to conflicts in how operations are defined.
  Order Type Restrictions: Certain order types may have restrictions on how external operations can be combined.
  Operation Sequence: The sequence of operations may not allow for the combination of external operations due to dependencies or constraints.
  Capacity Planning: The system may not be able to allocate resources appropriately if multiple external operations are defined.
  
  Solution:
  To resolve the MILL_OC076 error, you can take the following steps:
  
  
  Review the Routing: Check the routing for the production order to ensure that external operations are defined correctly. Make sure that the operations are set up in a way that allows for their combination.
  
  
  Check Order Type Settings: Verify the settings for the order type being used. Ensure that it allows for the combination of external operations if that is your intention.
  
  
  Adjust Operation Sequence: If the operations are dependent on each other, consider adjusting the sequence of operations to allow for proper execution without conflicts.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for specific guidelines on handling external operations in production orders.
  
  
  Use Separate Orders: If combining external operations is not feasible, consider creating separate production orders for each external operation.
  
  
  Contact SAP Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP support for further assistance.
  
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like CO02 (Change Production Order) or CO03 (Display Production Order) to review and modify production orders.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance.
  Training and Documentation: Ensure that users involved in production planning and execution are trained on the proper setup of routings and order types to prevent similar issues in the future.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.