How To Fix MPE_OAN280 - OA identifier &1 already used in the teardown segment of operation &2

SAP Error Message - Details

• Message type: E = Error

• Message class: MPE_OAN - Operation Activity Network Messages

• Message number: 280

• Message text: OA identifier &1 already used in the teardown segment of operation &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message MPE_OAN280 - OA identifier &1 already used in the teardown segment of operation &2 ?

  The SAP error message MPE_OAN280 indicates that an Operational Activity (OA) identifier is already in use in the teardown segment of a specific operation. This typically occurs in the context of production planning or manufacturing processes where operations and their associated activities are defined.
  Cause:
  The error arises when:
  
  An OA identifier (in this case, &1) is being reused in a teardown segment for a specific operation (indicated by &2).
  The system does not allow the same OA identifier to be assigned to multiple teardown segments within the same operation, as this can lead to confusion in tracking and managing production activities.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check OA Identifier Usage:
  
  Review the operation &2 in the relevant production order or routing to see where the OA identifier &1 is being used.
  Ensure that the OA identifier is not assigned to multiple teardown segments within the same operation.
  
  
  
  Modify the Teardown Segment:
  
  If the OA identifier is indeed being reused incorrectly, you will need to either:
  
  Change the OA identifier in one of the teardown segments to a unique identifier.
  Remove the duplicate assignment if it is not needed.
  
  
  
  
  
  Review Routing/Production Order:
  
  Check the routing or production order configuration to ensure that the teardown segments are correctly defined and that OA identifiers are unique where required.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for specific guidelines on managing operational activities and teardown segments.
  
  
  
  Testing:
  
  After making changes, test the operation to ensure that the error no longer occurs and that the production process can proceed as expected.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional context.
  Transaction Codes: Familiarize yourself with transaction codes like CO02 (Change Production Order) or C202 (Change Routing) to navigate and make necessary changes.
  User Roles: Ensure that you have the appropriate permissions to make changes to operations and activities in the system.
  
  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 operations management.