How To Fix WY134 - Supplier & is assigned to plant & which no longer exists

SAP Error Message - Details

• Message type: E = Error

• Message class: WY - Supplier Master

• Message number: 134

• Message text: Supplier & is assigned to plant & which no longer exists

What causes this issue?

You wanted to determine the general plant data for vendor &V1&, which
is assigned to plant &V2&. However the system did not find the plant
data in the database.

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?

Please contact your system administrator.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WY134 - Supplier & is assigned to plant & which no longer exists ?

  SAP Error Message:
  
  WY134 - Supplier & is assigned to plant & which no longer exists
  
  Cause:
  This error occurs when a supplier (vendor) master record is assigned to a plant that has been deleted or is no longer valid in the system. Essentially, the system is trying to reference a plant in the vendor master data that does not exist in the current plant master data.
  
  Explanation:
  
  In SAP, vendor master data can be maintained at different organizational levels, including company code and purchasing organization.
  The vendor may also be assigned to specific plants for procurement purposes.
  If a plant is deleted or deactivated in the system but the vendor master data still references that plant, this inconsistency triggers the WY134 error.
  This often happens after plant deletions, system cleanups, or data migrations where vendor assignments were not updated accordingly.
  
  
  Solution:
  
  
  Check Vendor Master Data:
  
  Use transaction XK03 (Display Vendor) or MK03 (Display Vendor Purchasing Data).
  Check the plant assignments under the purchasing data for the vendor.
  
  
  
  Verify Plant Existence:
  
  Use transaction OX10 or SPRO to check if the plant still exists in the system.
  Alternatively, use transaction MM03 or OMJJ to verify plant master data.
  
  
  
  Remove or Correct Plant Assignment:
  
  If the plant no longer exists, remove the plant assignment from the vendor master record.
  Use transaction XK02 or MK02 to change vendor master data.
  Navigate to the purchasing data and delete or update the plant assignment.
  
  
  
  If Plant Should Exist:
  
  If the plant was mistakenly deleted or is supposed to be active, restore or reactivate the plant in the system.
  
  
  
  Check for Customizing or User Exits:
  
  Sometimes, custom validations or user exits might cause this error if they check for plant assignments.
  Review any custom code if the standard solution does not resolve the issue.
  
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  XK02 / XK03: Change / Display Vendor Master
  MK02 / MK03: Change / Display Vendor Purchasing Data
  OX10: Maintain Plants
  MM03: Display Material Master (to check plant data)
  
  
  
  Tables:
  
  LFA1: Vendor Master (General Data)
  LFM1: Vendor Master Purchasing Data (includes plant assignments)
  T001W: Plant Master Data
  
  
  
  Notes:
  
  Always ensure that plant deletions are carefully managed and vendor master data is updated accordingly.
  Regular data consistency checks can help prevent such errors.
  
  
  
  
  Summary:
  The WY134 error indicates a mismatch between vendor master data and plant master data due to a non-existent plant assignment. The fix involves correcting the vendor's plant assignment or restoring the plant master data.
  
  If you need further assistance or a step-by-step guide on how to perform these corrections, feel free to ask!