No load can be built for purchasing organization &1 and VSR &3

What causes this issue?

No restriction profile has been maintained for the vendor sub-range in
the purchasing organization and the automatic purchase order indicator
has not been set.

How to fix this error?

Maintain a restriction profile in the <DS:TRAS.MK02>vendor master</>
for the vendor sub-range in the purchasing organization and set the
automatic purchase order indicator.

Error message extract from SAP system. Copyright SAP SE.