How To Fix IP428 - Scheduling record already confirmed

IP428 - Overview

• Message type: E = Error

• Message class: IP - Messages for preventive maintenance

• Message number: 428

• Message text: Scheduling record already confirmed

What causes this issue?

You are trying to confirm a <GL:maintenance_call>maintenance call</>
that has already been confirmed.

System Response

INCLUDE 'KEINE-FUNKTION' OBJECT DOKU ID TX LANGUAGE E

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message IP428 - Scheduling record already confirmed ?

  The SAP error message IP428 ("Scheduling record already confirmed") typically occurs in the context of production planning and scheduling within the SAP system. This error indicates that an attempt is being made to confirm a scheduling record (such as a production order or a maintenance order) that has already been confirmed. Here’s a breakdown of the cause, potential solutions, and related information:
  
  Cause:
  
  
  Duplicate Confirmation: The most common cause of this error is that the scheduling record has already been confirmed in the system. This can happen if:
  
  The user attempts to confirm the same order multiple times.
  There is a system or user error that leads to a duplicate confirmation attempt.
  
  
  
  Status Issues: The order may have reached a status that does not allow further confirmations. For example, if the order is already completed or closed, further confirmations would not be valid.
  
  
  Data Integrity Issues: There may be issues with the data integrity in the