[PS4] Constant crashing and bad visuals

Stu404

I've noticed the game has started to get fps lag and the textures have become low res. The game will also crash often, resulting in the ce-34878-0 error. I've noticed the crashing mostly happens when the action of screen is "busy" and to avoid crashing i have to look at the floor.

I've also noticed desync, scene cutting and flicking white lines across the screen for the cut scenes (I've heard this is a common issue).

Any suggestions about these issues?