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

SAP Error Message - Details

• 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.

Smart SAP Assistant

• What is the cause and solution for SAP error message WB812 - Material group &2 is not assigned a requirement group at customer &1 ?

  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 Group).
  Verify if the material group is assigned to a requirement group for the specific customer.
  
  
  
  Assign Requirement Group:
  
  If the material group is not assigned, you need to create the necessary assignment.
  Assign the appropriate requirement group to the material group for the customer.
  
  
  
  Review Customer Master Data:
  
  Use transaction code XD02 (or VD02 for sales area-specific data) to check the customer master data.
  Ensure that the customer is set up correctly and that all relevant fields are filled out.
  
  
  
  Check Material Master Data:
  
  Use transaction code MM02 to check the material master data for the material in question.
  Ensure that the material group is correctly assigned in the material master.
  
  
  
  Consult with Configuration Team:
  
  If you are unsure about the correct requirement group or material group, consult with your SAP configuration team or a functional consultant who can provide guidance based on your organization's specific setup.
  
  
  
  Related Information:
  
  Requirement Groups: These are used in SAP to define how materials are to be managed in relation to customer requirements. They can be used for various purposes, including determining pricing, availability checks, and more.
  Material Groups: These are classifications of materials that can be used for reporting, pricing, and other purposes in SAP.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as OVK1, XD02, MM02, and others that may be useful for troubleshooting and configuration.
  
  By following these steps, you should be able to resolve the WB812 error and ensure that the material group is properly assigned to the requirement group for the customer.