How To Fix IP459 - Predecessor to & not yet confirmed

IP459 - Overview

• Message type: E = Error

• Message class: IP - Messages for preventive maintenance

• Message number: 459

• Message text: Predecessor to & not yet confirmed

What causes this issue?

You have tried to release a <GL:maintenance_call>maintenance call</>
although the preceeding maintenance call has not yet been confirmed.
This is not allowed because of the scheduling parameters of the
<DS:GLOS.maintenance_plan>maintenance plan</>.

System Response

INCLUDE 'KEINE-VERARBEITUNG' OBJECT DOKU ID TX LANGUAGE EN

How to fix this error?

If you want to process the selected call, you must first confirm the
preceeding maintenance call or complete the accompanying
<DS:GLOS.maintenance_call_object>call objects</>.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message IP459 - Predecessor to & not yet confirmed ?

  The SAP error message IP459 ("Predecessor to & not yet confirmed") typically occurs in the context of production planning and scheduling within the SAP system, particularly when dealing with production orders, maintenance orders, or similar processes that involve dependencies between tasks or operations.
  
  Cause:
  This error indicates that there is a predecessor operation or task that has not yet been confirmed. In SAP, operations can be linked in a sequence where one operation must be completed (confirmed) before the next one can start. If the predecessor operation is still open or unconfirmed, the system will not allow the subsequent operation to proceed, resulting in this error message.
  
  Solution:
  To resolve the IP459 error, you can follow these steps:
  
  
  Check Predecessor Operations: Identify the predecessor operation that is causing the issue. You can do this by reviewing the production order or maintenance order in question.
  
  
  Confirm Predecessor Operations: If the predecessor operation is still open, you need