I am using ‘xits’ font as math font which was fine for at least 10 days ago.

it is defined in ’type-imp-unfonts.mkiv’ under ..tex/context/fonts/mkiv/

\loadtypescriptfile[xits]

\definetypeface [unfonts] [\s!mm] [\s!math] [xits]

Suddenly it is not located by ConTeXt.

Here is a sample code and a part of its log file.

Also, I’d like to know the most prefered math font for math people.

Thank you for reading.

\setupbodyfont[unfonts]

\starttext

This worked fine before. 이 전에는 잘 되었습니다.

\startformula

\int f(x) dx

\stopformula

$x^2 + y^2 = z^2$

\stoptext

This is LuaTeX, Version 1.05.0 (TeX Live 2017) 

 system commands enabled.

open source     > level 1, order 1, name '/Users/graph/ConTeXt/tex/texmf-context/tex/context/base/mkiv/cont-yes.mkiv'

system          > 

system          > ConTeXt  ver: 2018.02.14 22:56 MKIV beta  fmt: 2018.2.16  int: english/english

fonts > defining > forced type 'otf' of 'xits-math' not found

fonts > defining > font with asked name 'xits-math' is not found using lookup 'file'

fonts > defining > unknown font 'xits-math', loading aborted

fonts > defining > unable to define 'xits-math.otf' as 'unfonts-12pt-mm-mr--3'

fonts > defining > forced type 'otf' of 'xits-math' not found

fonts > defining > font with asked name 'xits-math' is not found using lookup 'file'

fonts > defining > unknown font 'xits-math', loading aborted

fonts > defining > unable to define 'xits-math.otf' as 'unfonts-12pt-mm-mr--2'

fonts > defining > forced type 'otf' of 'xits-math' not found

fonts > defining > font with asked name 'xits-math' is not found using lookup 'file'

fonts > defining > unknown font 'xits-math', loading aborted

fonts > defining > unable to define 'xits-math.otf' as 'unfonts-12pt-mm-mr--1'

fonts > math: unset for global bodyfont unfonts at 12pt

backend > xmp > using file '/Users/graph/ConTeXt/tex/texmf-context/tex/context/base/mkiv/lpdf-pdx.xml'