@harmonmarie I'm dealing with another bout of this now. I learned I can't do pull ups, palm forward, has to be chin ups, palm angled in towards me. Once in a while I get cocky, as I did a few months back, and try pull ups, and I'm still fighting it now, to the point where I'm going to have to take time off a lot of back workouts, which is very frustrating.
Someone mentioned false pullups. I'll try those, as I feel I've tried everything else, and nothing seems to work other than not doing back for months, and then very slowly working back up to the weighted chin ups and heavy one arm rows I normally do. It's frustrating for sure.