How To Fix WY063 - Plant & initially assigned to supplier no longer exists

WY063 - Overview

• Message type: E = Error

• Message class: WY - Supplier Master

• Message number: 063

• Message text: Plant & initially assigned to supplier no longer exists

What causes this issue?

You want to assign a new plant to a vendor and also change the
contents of a field for the plant that was originally assigned.
However, the master data of the plant that was originally assigned
no longer exists.

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?

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WY063 - Plant & initially assigned to supplier no longer exists ?

  Certainly! Here's a detailed explanation for the SAP error message WY063: "Plant & initially assigned to supplier no longer exists":
  
  Error Message:
  WY063 - Plant & initially assigned to supplier no longer exists
  
  
  Cause:
  This error typically occurs in the SAP Supplier Lifecycle Management (SLC) or Supplier Master Data management context. It indicates that the plant previously assigned or linked to a supplier record no longer exists in the system. This can happen due to:
  
  The plant master data has been deleted or marked inactive.
  The plant number assigned to the supplier is incorrect or has been changed.
  Data inconsistency between supplier master data and plant master data.
  During supplier creation or update, the system tries to validate the plant assigned to the supplier, but the plant is not found in the plant master data (transaction OX10).
  
  
  When does it occur?
  
  When creating or updating a supplier master record.
  When assigning or changing plant-specific data for a supplier.
  During supplier onboarding or