How To Fix RU026 - Operation &1 of sequence &2 cannot be confirmed

RU026 - Overview

• Message type: E = Error

• Message class: RU - Messages for order completion confirmation

• Message number: 026

• Message text: Operation &1 of sequence &2 cannot be confirmed

What causes this issue?

You have tried to confirm an operation which, according to its control
key, cannot be confirmed.

How to fix this error?

There are two options:
Enter a different operation.
Change the control key of the operation.

Error message extract from SAP system. Copyright SAP SE.

RU026 - Details

• The SAP error message RU026 indicates that there is an issue with confirming an operation in a production order or a sequence of operations. This error typically arises in the context of production planning and execution, particularly when dealing with routing and operations in the SAP system.
  
  Cause:
  The error message "RU026 Operation &1 of sequence &2 cannot be confirmed" can be caused by several factors, including:
  
  
  Operation Status: The operation you are trying to confirm may not be in a status that allows confirmation. For example, it might be marked as "not started" or "completed" already.
  
  
  Missing Data: Required data for the operation confirmation may be missing, such as quantities, work center assignments, or other relevant information.
  
  
  Incorrect Sequence: The sequence number may not correspond to the expected operation in the routing, or the operation may not be valid for confirmation.
  
  
  System Configuration: There may be configuration issues in the production order or routing setup