https://devzone.nordicsemi.com/f/nordic-q-a/93784/nrf-connect-sdk-v2-1-1-undefined-reference-to-otcommissionerstartHello, i tried to implement a commissioner over the API, but i get the error undefined reference to `otCommissionerStart&#39;. In the prj.conf i added: # Enable COMMISSIONER CONFIG_OPENTHREAD_COMMISSIONER =y I also added the header file: #includeen-USTelligent Community 13Wed, 16 Nov 2022 14:26:05 GMThttps://devzone.nordicsemi.com/thread/396017?ContentTypeID=1Wed, 16 Nov 2022 14:26:05 GMT137ad170-7792-4731-bb38-c0d22fbe4515:cb7cac97-acc9-432b-9a6e-76d73ce30759MarkusK<p>Thx. Did work on my side too.</p> <p>Regards<br />Markus</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/395594?ContentTypeID=1Mon, 14 Nov 2022 14:40:52 GMT137ad170-7792-4731-bb38-c0d22fbe4515:90290bff-4381-4f0c-a009-53358d26b62aEdvin<p>Hello,</p> <p>Try replacing</p> <div> <div><span>CONFIG_OPENTHREAD_NORDIC_LIBRARY_FTD=y<br />with&nbsp;</span></div> <div><span>CONFIG_OPENTHREAD_NORDIC_LIBRARY_MASTER</span><span>=y</span></div> <div><span></span></div> <div><span>That seemed to fix it on my side.</span></div> <div><span></span></div> <div><span>Best regards,</span></div> <div><span>Edvin</span></div> </div><div style="clear:both;"></div>