I found that if I closed the client entirely and booted it back up, my char was back where he was originally before falling into the void. Logging back in from the main menu just resulted in the same extremely dire framerate and the screaming. So i'd heartily suggest closing the client completely.
I jump in a crate and my screen become blue, like I am falling from the sky.
I stuck but I revive in the same spot, I cant fast travel so I am perma stuck.
I opened a live chat with customer support 3 times, I waited about 30 min, nobody comes, I need someone to unstuck my character!
I have another live chat open again.... waiting