This keeps happening now on my PS4 Pro. The games slows to an absolute snails pace, an utterly unplayable state. It can happen in a haunted lost sector, at the helm, and now even your ship travelling to a location - Helm in this case …
All you can do is quit the game which is when you get the generic PS your application has crashed error code - CE-34878-0.
And yes to the generic ‘Dogbert’ style support questions:
Application up to date
Console software up to date
Rebooted system
Wonderful - not !!!
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[url=https://www.playstation.com/en-us/support/error-codes/ps4/ce-34878-0/]Playstation error[/url]