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.