Psoc6 ble error

[AyKo_4382201]

I'm using psoc63 on my custom design board.I have configured ble as GAP peripheral and GATT server role and selected only cm0  core for ble operation. But after generating all the ble files, when using some api function like Cy_BLE_GAPP_StartAdvertisement it shows error stating "implecit declaration of function".