Problem with russian text and opensans

[Boris Veytsman]

BV> Date: Tue, 30 Apr 2024 11:45:49 -0700
BV> From: Boris Veytsman <borisv at lk.net>


BV> I got the same error with chinese.  When I downgrade fontspec from
BV> 71101 to 69833, the error disappears.

BV> I will file an error report.

Interesting enough, there is no error in lualatex.  I'd recommend
using lualatex or downgrade fontspec as a workaround.

I filed https://github.com/latex3/fontspec/issues/513

-- 
Good luck

-Boris