NRF_CLOCK_LFCLKSRC_XTAL_20_PPM undefined

[Webmobi]

I am trying to modify lbs code, and trying to compile it in sdk 12, i am getting NRF_CLOCK_LFCLKSRC_XTAL_20_PPM undefined

[Sigurd]

NRF_CLOCK_LFCLKSRC_XTAL_20_PPM is defined in nrf_sdm.h. It is located in

SDK_INSTALL_FOLDER/components/softdevice/s13x/headers/

[Webmobi]

i have included it , but still i am getting same error