https://test-devzone.nordicsemi.com/f/nordic-q-a/88777/unable-to-open-include-files-such-as-zephyr-kernel-h-and-build-failsHi, I&#39;m trying to evaluate nrf5340_audio, but I get a build error as below. &gt; Executing task: nRF Connect: Build: nrf5340_audio/build (active) &lt; Building nrf5340_audio west build --build-dir c:\Works\nRF5\myapps\nrf5340_audio\build c:\Worksen-USTelligent Community 13 Non-ProductionThu, 09 Jun 2022 07:07:44 GMThttps://test-devzone.nordicsemi.com/thread/371549?ContentTypeID=1Thu, 09 Jun 2022 07:07:44 GMT137ad170-7792-4731-bb38-c0d22fbe4515:b08fda5e-5021-489b-b619-e9253f0b1987user111520<p>Hello!</p> [quote user=""]warning: attempt to assign the value &#39;y&#39; to the undefined symbol HW_CODEC_CIRRUS_LOGIC[/quote] <p>This is the critical part of your error message.</p> <p>Before you can build the audio application you need to follow the steps <a href="https://developer.nordicsemi.com/nRF_Connect_SDK/doc/latest/nrf/applications/nrf5340_audio/README.html#setting-up-the-nrf5340-audio-repositories">here to include additional nRF5340 Audio repositories</a>.</p> <p>In order to run those commands on Windows I would recommend going to the Toolchain Manager, clicking the little arrow next to &quot;Open VS Code&quot;, selecting &quot;Open bash&quot; and running the commands from there.</p> <p>Best regards,</p> <p>Einar</p><div style="clear:both;"></div>