Compatibility group code must be maintained for material &1

What causes this issue?

The compatibility group Code must be maintained for the material &V1&.

System Response

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?

Please maintain the compatibility group code for the material in its
hazardous substance master record via the transaction code
<DS:TRAN.HSMD>HSMD</>

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.