https://devzone.nordicsemi.com/f/nordic-q-a/50766/debugging-mesh-light-switch-example-failue-in-sesHi all I am studying mesh example such as light switch server, I use Segger Embedded Studio to comple the project of light switch, it is OK, but when I want to do online debugging the code, I use SES function Debug-&gt;Go or directly to click icon withen-USTelligent Community 13Tue, 10 Sep 2019 12:29:28 GMThttps://devzone.nordicsemi.com/thread/208939?ContentTypeID=1Tue, 10 Sep 2019 12:29:28 GMT137ad170-7792-4731-bb38-c0d22fbe4515:8dc6ab53-33e3-4c0b-8c06-de200c6f0849awneil<p>You&#39;ve cut off the end of the message.</p> <p>An &#39;Additional Load File&#39;, as the name suggests, is a file that SES loads i<em>n addition to</em> your application when it programs the Target.</p> <p>Usually, for a Nordic project, that would be the SoftDevice.</p> <p>The error message tells you the file it&#39;s looking for - so verify that it actually exists, and the path is correct...</p> <p>See also:</p> <p><a href="https://forum.segger.com/index.php/Thread/4711-SOLVED-Additional-Load-File-does-not-exist-error/">https://forum.segger.com/index.php/Thread/4711-SOLVED-Additional-Load-File-does-not-exist-error/</a></p><div style="clear:both;"></div>