How To Fix WB812 - Material group &2 is not assigned a requirement group at customer &1

WB812 - Overview

• Message type: E = Error

• Message class: WB - Messages for assortment list

• Message number: 812

• Message text: Material group &2 is not assigned a requirement group at customer &1

What causes this issue?

There is no requirement group assigned to the material group.

System Response

The placement data cannot be updated.

How to fix this error?

Assign a requirement group to every material group at the customer in
question.

Error message extract from SAP system. Copyright SAP SE.

WB812 - Details

• The SAP error message WB812 indicates that a material group is not assigned to a requirement group for a specific customer. This typically occurs in the context of sales and distribution (SD) or materials management (MM) when trying to process sales orders, deliveries, or other transactions that involve customer-specific material requirements.
  
  Cause:
  The error arises due to the following reasons:
  
  Missing Assignment: The material group specified in the error message is not linked to any requirement group for the customer in question.
  
  Configuration Issues: There may be a configuration issue in the system where the necessary assignments have not been made.
  Data Entry Errors: Incorrect data entry when creating or maintaining customer or material master records.
  
  
  Solution:
  To resolve the WB812 error, follow these steps:
  
  
  Check Material Group Assignment:
  
  Go to the transaction code OVK1 (or navigate through the menu: Logistics > Sales and Distribution > Master Data > Business Partners > Customer > Assign Material Group to Requirement