https://devzone.nordicsemi.com/f/nordic-q-a/54842/no-module-named-elftools-by-debuging-on-segger-embedded-studioHello, I am trying to build new samples but I am getting the follow error: Any idea or advice? Did I miss something? Thanks, Regards, Ana Garciaen-USTelligent Community 13Wed, 27 Nov 2019 10:01:17 GMThttps://devzone.nordicsemi.com/thread/222272?ContentTypeID=1Wed, 27 Nov 2019 10:01:17 GMT137ad170-7792-4731-bb38-c0d22fbe4515:6444a11d-904f-4ccd-875e-e9624139d403Ana Garcia Alcala<p>yes, it looks like I had to install pyelftools. I got some errors by installing, I downloaded the packet from here (<a href="https://pypi.org/project/pyelftools/#files">https://pypi.org/project/pyelftools/#files</a>) and it worked! Thanks</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/222008?ContentTypeID=1Tue, 26 Nov 2019 08:31:14 GMT137ad170-7792-4731-bb38-c0d22fbe4515:14dba2c2-ba28-47fa-b5c0-93af09b02d35H&#229;kon Alseth<p>Hi,</p> <p>&nbsp;</p> <p>Looks like you&#39;re missing pyelftools (pip3 install pyelftools), but this should have come from the pip3 install -r ncs/zephyr/scripts/requirements.txt.</p> <p>Did you forget, or get an error while performing this step?</p> <p><pre class="ui-code" data-mode="text">cd &lt;sourcecode_root&gt;\ncs pip3 install -r zephyr\scripts\requirements.txt pip3 install -r nrf\scripts\requirements.txt pip3 install -r mcuboot\scripts\requirements.txt</pre></p> <p>If you get an error, please post it here.&nbsp;</p> <p></p> <p>Kind regards,</p> <p>Håkon</p><div style="clear:both;"></div>