Insurance type & requires a premium.

What causes this issue?

The insurance type you entered requires that you enter an insurance
premium.

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?

You can enter an insurance premium or choose a different insurance
type that does not require a premium. You can also change the
indicator "Premium required" in the insurance type you entered. This
change is made in Customizing, under the menu option Insurance.

Error message extract from SAP system. Copyright SAP SE.