http://www.eurogamer.net/articles/2...n-4-error-ce-34878-0-that-corrupts-save-files
By Tom Phillips Published Tuesday, 21 January 2014
Sony has told Eurogamer it is aware of a mysterious PlayStation 4 error which is affecting users' save files.
PS4 owners who experience the mysterious CE-34878-0 error have reported finding their saves corrupted for some of the platform's biggest games.
"We are aware of the cases and we appreciate your patience while we investigate," a Sony spokesperson told us.
A 36-page thread on the official PlayStation forum, dug up by IGN, documents the troubles of hundreds of PS4 owners.
The thread includes cases of users losing progress in an array of titles, such as Battlefield 4, FIFA 14, Call of Duty: Ghosts, NBA 2K14 and Assassin's Creed 4: Black Flag.
The spread of the issue - across multiple games and publishers - suggests its origin lies with Sony's hardware itself.
"Lost 40 hours of playing Assassin's Creed Black Flag," PSN forum member kickson123 complained. "Now I dont want to spend another 40h with possibility for same thing happened again. Also have PSN plus account and I was expecting that all my saves are 100% safe. At moment I am very disappointed in Sony."
I HOPE THEY FIX THIS SOON.
I almost mistook this post for someone else.
These M$ stans stay posting bad news about $auny. Problems happen on Xbox One two. 
@
this shyt keep poppin up when i play mlb the show 15