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

SAP Error Message - Details

• 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.

Smart SAP Assistant

• What is the cause and solution for SAP error message VV304 - Group '&' is not defined in the availability check ?

  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 Availability Check.
  Ensure that the group mentioned in the error message is defined in the configuration. If it is missing, you may need to create it or adjust the existing configuration.
  
  
  
  Review Material Master:
  
  Check the material master record for the material in question (transaction code MM03).
  Ensure that the availability check group is correctly assigned in the relevant views (e.g., Sales Org. Data, Plant Data).
  
  
  
  Check Sales Document Configuration:
  
  If the error occurs during sales order processing, check the sales document type configuration to ensure that the correct availability check is assigned.
  
  
  
  Consult with Technical Team:
  
  If there are custom developments, consult with your ABAP or technical team to ensure that the custom code is correctly handling availability checks and referencing the appropriate groups.
  
  
  
  Testing:
  
  After making the necessary changes, perform a test to ensure that the error no longer occurs and that the availability check functions as expected.
  
  
  
  Related Information:
  
  
  Transaction Codes: 
  
  MM03 (Display Material)
  SPRO (Customizing)
  VA01/VA02 (Create/Change Sales Order)
  
  
  
  Documentation: Refer to SAP Help documentation for detailed information on availability checks and configuration settings.
  
  
  Support: If the issue persists after checking the configuration and master data, consider reaching out to SAP support or your internal SAP support team for further assistance.
  
  
  By following these steps, you should be able to resolve the VV304 error and ensure that the availability check functions correctly in your SAP system.