NltkNet Package Reference Error: The type or namespace name 'NltkNet' could not be found (are you missing a using directive or an assembly reference?)

I am trying to use NltkNet package in my C# project but i am facing this error "The type or namespace name 'NltkNet' could not be found (are you missing a using directive or an assembly reference?)" although I've installed this package and add reference to my project.

My .NET version: 7.0.203

<TargetFrameworkVersion>v4.7.2</TargetFrameworkVersion>

Error Details