How To Fix O1643 - Exchange partner & is not assigned to purchasing organization &

O1643 - Overview

• Message type: E = Error

• Message class: O1 - IS-Oil : Message pool exchanges

• Message number: 643

• Message text: Exchange partner & is not assigned to purchasing organization &

What causes this issue?

You have to enter a purchasing organization for which the vendor master
data is maintained.

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?

Check the purchasing organization you entered.
Maintain the purchasing organization in the vendor master data.

Error message extract from SAP system. Copyright SAP SE.

O1643 - Details

• The SAP error message O1643 indicates that there is an issue with the assignment of an exchange partner (vendor or supplier) to a specific purchasing organization in the SAP system. This error typically arises when you are trying to create or process a purchasing document (like a purchase order) and the system cannot find the necessary assignment between the vendor and the purchasing organization.
  
  Cause:
  
  Missing Assignment: The vendor is not assigned to the purchasing organization in the vendor master data.
  Incorrect Configuration: The purchasing organization may not be properly configured to work with the vendor.
  Data Entry Error: There may be a typo or incorrect entry in the vendor or purchasing organization details.
  
  
  Solution:
  To resolve the O1643 error, follow these steps:
  
  
  Check Vendor Master Data:
  
  Go to the transaction code XK03 (Display Vendor) or MK03 (Display Vendor (Purchasing)).
  Enter the vendor number and check if the vendor is assigned to the relevant purchasing organization.
  If the vendor is