Had a problem with the video, I reported this post and gonna reupload it to keep it relevant since it's a serious bug.
Whenever I try to change the sentinel from a loadout it gets changed in the next one. It only happens from time to time and not with all the loadouts, in the case below it only happened with my first two loadouts.
I also tried deleting the 2nd loadout and try with the 3rd one and the bug didn't apply anymore.
Yet when I played Wyrmius (by mistake, I just pressed the W while customizing its colours - seriously you'd add some sign asking whether we wanna play or not) the moment I come