Set 'Preferred inspection type' indicator for either insp. type &1 or &2

What causes this issue?

The indicator <LS>Preferred inspection type</> is set for inspection
types &v1& and &v2&. Both inspection types are assigned to the same
inspection lot origin &v3&.
You can only set the indicator for one inspection type of each
inspection lot origin.

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?

Remove the indicator for one of the inspection types.

Error message extract from SAP system. Copyright SAP SE.