How To Fix VV304 - Group '&' is not defined in the availability check

VV304 - Overview

• Message type: E = Error

• Message class: VV - Requirements and availability

• Message number: 304

• Message text: Group '&' is not defined in the availability check

What causes this issue?

The availability check or transfer of requirements was called within
the sales and distribution processing framework with checking group
&V1&. This is not maintained in the system.

System Response

The system terminates processing, because processing can no longer
be completed consistently.

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

How to fix this error?

Either maintain the master data (SD-Plant data) of the material, or
ensure that the corresponding functions are no longer called.

Error message extract from SAP system. Copyright SAP SE.

VV304 - Details

• The SAP error message VV304 indicates that a specific group, denoted by '&', is not defined in the availability check configuration. This error typically arises during the process of checking the availability of materials or products in the system, particularly when using the availability check functionality in sales and distribution (SD) or materials management (MM).
  
  Cause:
  
  Missing Configuration: The group referenced in the error message is not defined in the system's configuration for availability checks. This could be due to a missing entry in the configuration tables.
  Incorrect Master Data: The material master or other related master data may not be set up correctly, leading to the system not recognizing the availability check group.
  Custom Development: If there are custom developments or enhancements in the system, they may not be correctly referencing the availability check groups.
  
  
  Solution:
  
  
  Check Configuration:
  
  Go to the SAP Customizing Implementation Guide (SPRO).
  Navigate to Logistics Execution > Shipping > Availability Check > Define