How To Fix WN203 - Supplier does not exist

WN203 - Overview

• Message type: E = Error

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

• Message number: 203

• Message text: Supplier does not exist

What causes this issue?

The system could not find a master record for the vendor entered.

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 WN203 - Supplier does not exist ?

  The SAP error message WN203 "Supplier does not exist" typically occurs when you are trying to process a transaction related to a supplier (vendor) that is not recognized in the system. This can happen in various scenarios, such as when creating a purchase order, invoice, or any other procurement-related activity.
  Causes:
  
  Vendor Not Created: The supplier/vendor has not been created in the SAP system.
  Vendor Inactive: The vendor exists but is marked as inactive or blocked.
  Incorrect Vendor Number: The vendor number entered is incorrect or does not match any existing vendor in the system.
  Data Entry Error: There may be typographical errors in the vendor number or name.
  Company Code Issues: The vendor may not be assigned to the specific company code you are working with.
  Master Data Issues: The vendor master data may not be fully maintained or may be missing required information.
  
  Solutions:
  
  
  Check Vendor Existence:
  
  Use transaction code MK03 (Display Vendor) or XK03 (Display Vendor -