HOI4 don't work until new patch

So i have a problem, i played on older version on mods to this moment because i didnt buyed no step back dlc, but after i bought it and update hoi4, the launcher works as always but if i try clicking play button nothing happens and this error

Developer Diary, Summer Open Beta

Hearts of Iron IV. Für Windows 7/8/10 (64-Bit

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RUS Decisions with Zemstvas don't give any Factories · Issue #7818

HOI4 Dev Diary - Patch Notes!

Hearts of Iron IV: No Step back is now out alongside massive patch

Hearts of Iron 5 release date speculation 2023

National focus - Hearts of Iron 4 Wiki

All of a sudden I can't update divisions in the field. I get this