How To Fix MPE_EXEC_CONF029 - In operation &1, OA &2 of the produce segment is already in process

MPE_EXEC_CONF029 - Overview

• Message type: E = Error

• Message class: MPE_EXEC_CONF - Messages for Shop Floor Order Confirmation

• Message number: 029

• Message text: In operation &1, OA &2 of the produce segment is already in process

What causes this issue?

You cannot perform the undo action as the successor operation activity
has already started.

System Response

The system will not perform the undo action.

How to fix this error?

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

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 MPE_EXEC_CONF029 - In operation &1, OA &2 of the produce segment is already in process ?

  The SAP error message MPE_EXEC_CONF029 indicates that there is an issue with the operation in a production order where the operation (identified by &1) and the object assignment (OA &2) of the production segment is already in process. This typically occurs in the context of production planning and execution, particularly when dealing with manufacturing orders or production scheduling.
  
  Cause:
  
  Concurrent Processing: The most common cause of this error is that the operation you are trying to execute is already being processed by another transaction or user. This can happen if multiple users are trying to execute the same operation simultaneously.
  Locking Mechanism: SAP uses a locking mechanism to prevent data inconsistencies. If one user has locked the operation for processing, other users will receive this error when they attempt to access the same operation.
  Incorrect Status: The operation may not have been properly completed or released from its previous status, leading to it being