I solved this issue by going into subnautica\SNAppData\SavedGames\slot (select your Save's slot, most likely the last modified one). DELETE the CellsCache and CompiledOctressCache...
WARNING: Please note that any TERRAFORMING done to dir…
This may be not relevant, however, I also notice that for instance the the Bio Reactor Windows will render through the pad when this happens. You will see the green through it.
I am getting the same issue. The game will lock up for a bit and then it would eventually crash after a while. One of the logs did not get a stack trace and returned NULL. However, two of them are pointing to the same issue.