Unity Package Manager stuck at "Resolving Packages..." when i use LWRP Template. how to fix this ?

Unity Package Manager stuck at “Resolving Packages…” when i use LWRP Template. how to fix this ?
i downloaded LightWeight RP and the problem remains.
i can Open 2D Template But i can’t open LWRP Template!

Screenshot: https://i.imgur.com/dPM4Zr7.png

@Magso
@Rafael_Ayllon

I found it:
Go into the Project Settings, then “Toolchain Management” and disable "Install toolchain package automatically. It’s because it tries to download a package needed for exporting to Linux but there’s somehow a error with it.
@Mister_Ideas