Your PlayStation 4 may be experiencing problems with its internal storage. This could be due to a number of reasons, but the most likely culprit is a corrupted file. If you have any of the following files on your PS4’s internal storage: “userdata.dat”, “ps4_root.cdb”, or “ps4_userdata.xml”, then it is likely that they are all corrupted and need to be cleaned up before they can be used again. To clean up your PS4’s internal storage, follow these steps: 1) Delete the files listed above from your PS4’s internal storage 2) Reboot your PlayStation 4 3) Copy the contents of “userdata.dat” “ps4_root.cdb” or “ps4_userdata.xml” back onto your PS4’s internal storage
