How To Fix RU028 - Two operation times are not in ascending order

RU028 - Overview

• Message type: E = Error

• Message class: RU - Messages for order completion confirmation

• Message number: 028

• Message text: Two operation times are not in ascending order

What causes this issue?

You want to confirm times for an operation. Two of the times you have
entered are not in ascending order.
Example:
Start execution 16:00:00
Start processing 14:30:00 (on the same day)

How to fix this error?

Enter the times for the operation segments in ascending order.

Error message extract from SAP system. Copyright SAP SE.

RU028 - Details

• The SAP error message RU028, which states "Two operation times are not in ascending order," typically occurs in the context of production planning or routing in SAP. This error indicates that there is a problem with the sequence of operation times defined for a particular routing or production order. Specifically, it means that the start and finish times of operations are not set up correctly in a way that they follow a logical order.
  
  Cause:
  
  Incorrect Operation Times: The start time of a subsequent operation is set earlier than the finish time of a previous operation.
  Routing Configuration: The routing for a production order may have been incorrectly configured, leading to overlapping or out-of-sequence operations.
  Manual Entry Errors: During the creation or modification of operations, times may have been entered incorrectly.
  
  
  Solution:
  
  Review Operation Times: Check the operation times in the routing or production order. Ensure that the finish time of one operation is less than