How To Fix WN679 - Maintenance of plant &1 is incomplete; update fields for supplier &2

WN679 - Overview

• Message type: E = Error

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

• Message number: 679

• Message text: Maintenance of plant &1 is incomplete; update fields for supplier &2

What causes this issue?

You want to assign a business partner to plant &V1& either in plant
maintenance or by means of distribution.
The data that links the plant, customer, and supplier master data has
not been persisted in the database. The persistence of this data is the
last step in plant maintenance. All other data has been stored.

System Response

The system cannot update the master data for supplier &V2&; therefore,
it is not possible to assign a business partner to the plant.

How to fix this error?

Use the
<DS:TRAN.MDS_PPO2>Postprocessing Desktop</> to evaluate any errors that
were detected during the check of the role-specific data. Correct these
errors to complete maintenance of the plant.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WN679 - Maintenance of plant &1 is incomplete; update fields for supplier &2 ?

  The SAP error message WN679 indicates that there is incomplete maintenance for a specific plant in relation to a supplier. This typically occurs when certain required fields or data related to the supplier or plant have not been filled out or are missing in the system.
  
  Cause:
  
  Incomplete Data Entry: The supplier master data for the specified plant is not fully maintained. This could include missing information such as payment terms, purchasing organization, or other relevant details.
  
  Configuration Issues: There may be configuration settings in the system that require certain fields to be filled out for the supplier-plant relationship.
  Authorization Issues: The user may not have the necessary permissions to view or edit the required fields.
  
  
  Solution:
  
  
  Complete the Supplier Data:
  
  Navigate to the supplier master data in SAP (Transaction Code: XK02 for general data or MK02 for purchasing data).
  Ensure that all required fields for the supplier in the specified plant are filled out. This includes checking