So I've come across this infamous bug which seems to be a guaranteed trigger by meeting Raphael at the camp.

After the conversation with Raphael at the camp, Lae'zel stops functioning as a party member. She does not get knocked down as a party member after the conversation ends, completely stops following the player and even ignores any group commands such as "grouped sneak".

[Linked Image from i.imgur.com]

Unfortunately I haven't found a way to fix this issue once it's triggered. The only option right now is to completely avoid resting. I've already reported this directly via the Feedback option and provided a save file which easily reproduces it, but thought I'd post a report here just in case as well.