I set font in the document so
\setmainfont{Akrobat}
%or
\setmainfont{Akrobat SemiBold}
%or
\setmainfont{Cormorant}
%or
\setmainfont{Cormorant Medium}
%or
\setmainfont{Cormorant Garamond SemiBold}
It's all works
\setmainfont{Coval}
Work too, but
\setmainfont{Coval Light} %Book, Medium
etc. get an error. Work only 'Coval Italic'
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!
! fontspec error: "font-not-found"
!
! The font "Coval Book" cannot be found.
!
! See the fontspec documentation for further information.
!
! For immediate help type H <return>.
!...............................................
l.12 ...nt[ItalicFont = {Coval Light}]{Coval Book}
% Основной шри�...
Where does this problem? Font have I downloaded from https://smartfonts.com/coval.font
It is supposed that I should have these styles.