I have something for you tu help you but I can't post link and it's in french
But just google something like "seamoth stuck glitch" and this is the most classic bu in subnautica
For me I have another problem if someone know how to fix it... My game have no sound and when I start, I'm in my seamoth but when I leave it I'm in link with it with a sort of graphic glitc (my body just go very long an stuck in the sea…