"There is an issue with the server. Please restart your Save Wizard for PS4 Max. If it continues, please try again later."

- Generic Issue of Save Wizard

 

This is a very generic issue. It basically means any of these:

The save is messed up
The server is messing up
The save or cheat is not compatible (due to Firmware updates with Sony)
The user's internet is going bad or is out
The save file is too large