hi
i downloaded nordic thingy52 FW and i uploaded on my board PCA20020
and that is working correctly but when a i downloaded nRF5_SDK_15.0.0 at first i compile (ble_app_beacon) without any changing and without error
but when i uploaded on my board it doesnt work
i tried to change defined board to PCA20020 as you see in picture
but i got error
what is problem
how can i fixed this example and others in this version that works???