https://devzone.nordicsemi.com/f/nordic-q-a/36669/esb-and-app-timerI&#39;m using SDK 15 on an nRF52840, compiling with Segger Embedded Studio. I&#39;ve created a project in SES using the project_template folder. When I try to use both ESB and the app timer, I&#39;m unable to build and I get this error: Building ‘template_pca10056en-USTelligent Community 13Wed, 25 Jul 2018 14:28:01 GMThttps://devzone.nordicsemi.com/thread/141356?ContentTypeID=1Wed, 25 Jul 2018 14:28:01 GMT137ad170-7792-4731-bb38-c0d22fbe4515:4db92517-e521-40a7-ba2d-aab6cf6cf9c2cprehn<p>That did the trick! Thank you so much!</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/141250?ContentTypeID=1Wed, 25 Jul 2018 05:58:31 GMT137ad170-7792-4731-bb38-c0d22fbe4515:499eeed4-3d77-4af2-ade3-cfeba63d2858Simon<p>Have you tried to remove <span style="font-weight:400;">nrfx_swi.c from nRF_Drivers, that might solve the problem.</span></p><div style="clear:both;"></div>