Incorrect header guard in nrf_nvic.hhttps://devzone.nordicsemi.com/f/nordic-q-a/20471/incorrect-header-guard-in-nrf_nvic-hSDK 13.0.0 nrf_soc_nosd/nrf_nvic.h has this header guard: #ifndef NRF_SOC_H__ #define NRF_SOC_H__ This means you couldn&#39;t include nrf_soc.h after including nrf_nvic.h .en-USTelligent Community 13Thu, 16 Mar 2017 16:56:17 GMTRE: Incorrect header guard in nrf_nvic.hhttps://devzone.nordicsemi.com/thread/79834?ContentTypeID=1Thu, 16 Mar 2017 16:56:17 GMT137ad170-7792-4731-bb38-c0d22fbe4515:58422400-a320-4ed4-aaeb-c6dbec4af212tesc<p>Thanks a lot for notifying us about this issue, it is really appreciated!</p> <p>From what I can tell this is clearly a bug, and I have registered it in our internal tracker.</p><div style="clear:both;"></div>