hi. i try to add compile my application by dfu . i add library's and include them.
#include "ble_dfu.h"
#include "dfu_app_handler.h"
with this i click compile button and it give me this error
.\_build\bootloader.axf: Error: L6218E: Undefined symbol sd_softdevice_vector_table_base_set (referred from main.o).
i try some search on site and i found this
but its not telling me how to fix it. it does not even compile. how to fix it?