How To Fix WB839 - Material group &2 is not assigned to customer &1

WB839 - Overview

• Message type: E = Error

• Message class: WB - Messages for assortment list

• Message number: 839

• Message text: Material group &2 is not assigned to customer &1

What causes this issue?

The material group was not assigned to the customer in plant
maintenance.

System Response

Placement data is not posted.

How to fix this error?

Assign the relevant material group to the customer in plant
maintenance. .

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WB839 - Material group &2 is not assigned to customer &1 ?

  The SAP error message WB839 indicates that a specific material group is not assigned to a customer in the system. This error typically occurs when you are trying to perform a transaction that involves a customer and a material group, but the necessary assignment has not been made in the system.
  
  Cause:
  The error is caused by the absence of a link between the customer and the material group in the SAP system. This can happen in various scenarios, such as:
  
  New Customer or Material Group: If a new customer or material group has been created but not yet assigned.
  Data Migration: During data migration or system upgrades, some assignments may not have been carried over.
  Configuration Changes: Changes in configuration settings or business processes that affect how customers and material groups are linked.
  
  
  Solution:
  To resolve the WB839 error, you need to assign the material group to the customer. Here are the steps to do this:
  
  
  Access