I don't know what happened but...
-
...
-
Flashoutfrm989 this could be related, from "FAQ & Common issues Plutonium T6":
Error: UI ERROR 5XXXX (eg 58339)
Fix: Your stats file is corrupted, either use resetStats or delete your dw folder inside %localappdata%\Plutonium\storage\demonware\18397. ALL PROGRESS WILL BE LOST!