How To Fix WN150 - Layout already maintained at plant level

WN150 - Overview

• Message type: E = Error

• Message class: WN - Plant master data maintenance (integrated)

• Message number: 150

• Message text: Layout already maintained at plant level

What causes this issue?

You can either maintain layout data only on plant level or only on
department level.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

If you want to maintain the layout data on department level, you
need to delete the layout data on plant level.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WN150 - Layout already maintained at plant level ?

  The SAP error message WN150 ("Layout already maintained at plant level") typically occurs in the context of SAP's Warehouse Management (WM) or Inventory Management (IM) modules. This error indicates that a layout for a specific storage location or plant has already been defined, and the system does not allow for duplicate entries.
  
  Cause:
  
  Duplicate Layout Entry: The primary cause of this error is that a layout has already been created for the specified plant or storage location. SAP does not permit multiple layouts for the same plant/storage location combination.
  Incorrect Data Entry: Sometimes, the error may arise from incorrect data entry or an attempt to create a layout without first checking existing configurations.
  
  Configuration Issues: There may be issues in the configuration settings that lead to this error being triggered.
  
  
  Solution:
  
  
  Check Existing Layouts: 
  
  Navigate to the relevant transaction (e.g., LS01N for creating layouts) and check if a layout already exists for the specified plant and