CK2-EU3 Converter Error

Reading configuration file.
13-11-23 10:56:11: Using input file C:\Users\Savolainen5\Documents\Paradox Interactive\Crusader Kings II\save games\Suomi1399_01_01.ck2.
13-11-23 10:56:13: Getting CK2 data.
13-11-23 10:56:13: 	Getting building types.
13-11-23 10:56:13: 	Getting CK2 religions
13-11-23 10:56:13: 	Getting CK2 cultures
13-11-23 10:56:13: 	Parsing landed titles.
13-11-23 10:56:14: 	Getting traits
13-11-23 10:56:14: 	Getting opinion modifiers
13-11-23 10:56:14: 	Adding dynasties from CK2 Install
13-11-23 10:56:14: Parsing CK2 save.
13-11-23 10:56:14: Importing parsed data.
13-11-23 10:56:14: 	Error: Unknown version format.