Error CE-34878-0

Hello!
Please tell me what to do to get rid of the error CE-34878-0 .
This bug prevents play.
Constant crashes when loading games , namely : Uncharted 4 , GTA 5 , The Wither 3.
The initialization did not help , the hard drive has been tested for bad blocks and there were none .
What do not know ,Sony is not really what is not explained .
Why and how the error has occurred is also not who knows .
If anyone has solved this problem write .
The option Google does not help ,so I ask without it.
Thank you for your attention !