https://devzone.nordicsemi.com/f/nordic-q-a/127549/matter-quick-start-fails-with-nrf54lm20-dkHi, I just received two new nRF54LM20-DK boards and wanted to run a Matter quickstart demo. Unfortunately, it’s already failing during programming. What could be cause of this error message? PS. &quot;Hello World&quot; is working on these boards.en-USTelligent Community 13Tue, 24 Mar 2026 12:46:21 GMThttps://devzone.nordicsemi.com/thread/563949?ContentTypeID=1Tue, 24 Mar 2026 12:46:21 GMT137ad170-7792-4731-bb38-c0d22fbe4515:cea5cf1e-e1c3-4011-b27c-5274b3c41d74Ronald Reichmuth<p>Hi Swathy, yes see ticket:<br /><a href="https://devzone.nordicsemi.com/f/nordic-q-a/127552/matter-lock-example-not-starting-on-nrf54lm20-dk">devzone.nordicsemi.com/.../matter-lock-example-not-starting-on-nrf54lm20-dk</a></p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/563947?ContentTypeID=1Tue, 24 Mar 2026 12:33:02 GMT137ad170-7792-4731-bb38-c0d22fbe4515:15b7e175-f70e-4ca4-8af7-230932a0b882SwRa<p>Hi Ronald,</p> <p>Have you tried programming the&nbsp;matter sample through VS Code and see if that works.?</p> <p>Regards,</p> <p>Swathy</p><div style="clear:both;"></div>