How To Fix WN271 - Customer & is not assigned to a plant master

WN271 - Overview

• Message type: E = Error

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

• Message number: 271

• Message text: Customer & is not assigned to a plant master

What causes this issue?

Retail-specific data exists for a customer. However, the customer has
not been assigned to a plant master.

System Response

The system cannot process the data.

How to fix this error?

Assign a plant to customer &V1& using transaction <DS:TRAN.WB01>Plant
Create</>. You can then process the Retail-specific data using the
plant master transactions.
If the customer does not exist in the system either, you can create
this when you create the plant.

Error message extract from SAP system. Copyright SAP SE.

WN271 - Details

• The SAP error message WN271 indicates that a customer is not assigned to a plant master. This typically occurs in the context of sales and distribution (SD) or materials management (MM) when trying to process transactions that require a link between a customer and a specific plant.
  
  Cause:
  
  Missing Assignment: The customer master record does not have an assignment to the relevant plant in the system.
  Incorrect Configuration: The configuration settings in the system may not have been set up correctly to link customers to plants.
  Data Entry Error: There may have been an oversight during the creation or maintenance of the customer or plant master data.
  
  
  Solution:
  To resolve the WN271 error, follow these steps:
  
  
  Check Customer Master Data:
  
  Go to the transaction code XD02 (Change Customer) or VD02 (Change Customer for Sales Area).
  Enter the customer number and select the appropriate sales area.
  Check if the plant is assigned under the "Sales Area Data" or "General Data" sections.
  
  
  
  Assign