Sales from sales organization &1, dist. chan.&2, plant &3 are not defined

What causes this issue?

Plant &V3& is not assigned to the sales area selected.

How to fix this error?

Enter a plant for which the material of this item was created und which
is assigned to sales area &V1& &V2&.
If you have the necessary authorization, you can display the
assignments existing for this sales area in Customizing.

Error message extract from SAP system. Copyright SAP SE.