Live Charts WPF Unknown build error

I'm new to live charts. When i'm trying to build a simple WPF application using visual studio 2017 i'm getting the following error:

Error Unknown build error, 'A strongly-named assembly is required. (Exception from HRESULT: 0x80131044) Line 11 Position 67.'

EDIT:

The code is:

<lvc:CartesianChart Series="{Binding SeriesCollection}" />

According to the docs.

How can i solve this issue?

Thanks

EDIT 2:

fixed after VS reinstall.