Only standard prices can be processed

What causes this issue?

In the comparison of two prices, you selected a price type that is not
equal to the price type of the <LS>standard price</>:
Price: &v1&
Price type: &v2&

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?

Define a price with price type <LS>standard price</> in the price
maintenance transaction (EA89).

Error message extract from SAP system. Copyright SAP SE.