No method found "Void Sdl.LanguagePlatform.Core.Segment..ctor(System.Globalization.Culture.Info)'. Can you please give me technical assistance?

Since I started my subscription whenever I confirm a segment it says No method found "Void Sdl.LanguagePlatform.Core.Segment..ctor(System.Globalization.Culture.Info)'. Can you please give me technical assistance? I have a huge project to deliver and I haven't been working on it for 8 days due to license issues first and this now

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