Upon dying and trying to respawn, the button is displayed as "pressed", but you cannot respawn. Then you try to go on main menu, then you can still choose to respawn. You then respawn, but can't move and your body trmbles as if you're dying over and over again very quickly.

This bug occurs on version 1.20.1-20.1.13, ONLY when playing on a server (I use my personnal computer as a private server).
I play on forge 1.20.1 with lots of mods including Corpse and Hardcore Revival. I tested without Hardcore Revival, and I still get the same problem (same without Corpse).
I also play with Passive Skill Tree, Apotheosis and several optimization mods.

I tested with Improvable Skills (and HammerLib) only, and still got the same problems.