https://devzone.nordicsemi.com/f/nordic-q-a/14138/cannot-enable-gazellHi I have problem enabling gzll on my nRF51. Error diagnoses shows NRF_GZLL_ERROR_CODE_INTERNAL_ASSERT_OCCURRED (#15), every time I try to call nrf_gzll_enable(); Here is the related part of the code: nrf_gzll_disable(); bool init_ok = nrf_gzll_initen-USTelligent Community 13Mon, 30 May 2016 06:38:45 GMThttps://devzone.nordicsemi.com/thread/54020?ContentTypeID=1Mon, 30 May 2016 06:38:45 GMT137ad170-7792-4731-bb38-c0d22fbe4515:8cc85190-5711-45ed-9058-6180d9521e78H&#229;kon Alseth<p>Hi,</p> <p>Could you try waiting for the nrf_gzll_disabled() callback? or doing like this:</p> <pre><code>nrf_gzll_disable(); while(nrf_gzll_is_enabled()); // Continue with re-configuration </code></pre> <p>And see if this works?</p> <p>Cheers, Håkon</p><div style="clear:both;"></div>