https://devzone.nordicsemi.com/f/nordic-q-a/112790/wrong-version-of-ncs-taken-to-process-pristine-cmakeHi, I try to launch west build command from a terminal. I am first generating environnement variable as stated in this post : Then I call it, and finally, I launch this command : Here is the output : So it seems west is looking for pristineen-USTelligent Community 13Mon, 08 Jul 2024 09:51:28 GMThttps://devzone.nordicsemi.com/thread/492658?ContentTypeID=1Mon, 08 Jul 2024 09:51:28 GMT137ad170-7792-4731-bb38-c0d22fbe4515:ce0ea914-6eeb-4b19-b017-252ff32b8cccBen_Squar3d<p>Okay got it, I had a&nbsp; ncd/zephyr/_build&nbsp;&nbsp;folder with a CMakeCache that had&nbsp;C:/ncs/v2.5.1/ as path I removed this folder and everything is fine</p><div style="clear:both;"></div>