How To Fix W4136 - &: & Object list exists in plant maintenance

SAP Error Message - Details

• Message type: E = Error

• Message class: W4 - Messages for material discontinuation

• Message number: 136

• Message text: &: & Object list exists in plant maintenance

Self-Explanatory Message

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• What is the cause and solution for SAP error message W4136 - &: & Object list exists in plant maintenance ?

  SAP Error Message:
  
  W4136 & : & Object list exists in plant maintenance
  
  Meaning / Cause:
  This warning message indicates that an object list (such as a list of equipment, functional locations, or maintenance objects) already exists in the Plant Maintenance (PM) module for the specified criteria. Typically, this occurs when you try to create or generate an object list that duplicates an existing one.
  In other words, the system detects that an object list with the same parameters or for the same plant/functional location/equipment already exists, and therefore it warns you to avoid duplication.
  
  When does it occur?
  
  When creating or generating an object list in PM (e.g., during maintenance order processing, notification processing, or report generation).
  When trying to save or update an object list that duplicates an existing one.
  During certain transactions involving object lists, such as IW38 (Change PM orders), IW29 (Display PM notifications), or custom reports/programs that handle object lists.
  
  
  Solution / How to resolve:
  
  
  Check existing object lists:
  
  Before creating a new object list, verify if an appropriate list already exists. Use transaction codes like IL03 (Display Functional Location), IE03 (Display Equipment), or specific object list reports to find existing lists.
  
  
  Use the existing object list:
  
  If the existing list meets your requirements, use it instead of creating a new one.
  
  
  Delete or archive old object lists (if appropriate):
  
  If the existing object list is obsolete or no longer needed, consider deleting or archiving it to avoid confusion.
  
  
  Modify selection criteria:
  
  When generating a new object list, adjust the selection criteria to avoid overlap with existing lists.
  
  
  Check for custom developments:
  
  If this message appears during custom program execution, review the logic to ensure it handles existing object lists properly.
  
  
  
  Additional Information:
  
  Message Class: W4 (Plant Maintenance)
  Message Number: 4136
  This is a warning message (W), so it does not stop processing but alerts the user.
  Object lists in PM are used to group maintenance objects for reporting, planning, or processing.
  Proper management of object lists helps avoid redundant data and improves system performance.
  
  
  Summary:
  
  
  
  Aspect
  Details
  
  
  
  
  Cause
  Attempt to create an object list that already exists in Plant Maintenance.
  
  
  Effect
  Warning message W4136 is displayed to prevent duplication.
  
  
  Solution
  Use existing object list, delete/archive old lists, or modify selection criteria.
  
  
  Related T-codes
  IL03, IE03, IW29, IW38, and custom PM reports/programs.
  
  
  
  
  If you need help with a specific transaction or scenario where this message appears, please provide more details!