Starting lilypond.exe 2.23.14 [MWE-Helvetica.ly]...
Processing `M:/music/postscript/MWE-Helvetica.ly'
Parsing...
Finding the ideal number of pages...
Fitting music on 1 page...
Drawing systems...
Converting to `MWE-Helvetica.pdf'...
warning: `(gs -q -dNODISPLAY -dNOSAFER -dNOPAUSE -dBATCH -dAutoRotatePages=/None -dPrinted=false ./lilypond-tmp-6034027)' failed (1)

C:/Program Files/LilyPond/lilypond-2.23.14/share/lilypond/2.23.14/ly/init.ly:65:2: error: Guile signaled an error for the expression beginning here
#
 (let ((book-handler (if (defined? 'default-toplevel-book-handler)
Throw to key `ly-file-failed' with args `()'.
Exited with return code 1.