Cond. rec. validity per. does not start until &V3& (no supplier bus vol)

What causes this issue?

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

System Response

The function will be performed. However the scale and condition bases
applied for the determination of the scale level/rebate income are zero
(no supplier business volume).

Error message extract from SAP system. Copyright SAP SE.