I had to go back to a save 1 hour back to get it to work again. The character was an oathbreaker Palidin and I'm not sure if it was what triggered it, but he was down, and I had one of my other characters help him up, and while the animation was still going I switched to the downed character and tried to select the long rest. I'm thinking while the animation for getting up broke being able to, by selecting it before the animation was over
