Does this help at all?
# -*-compilation-*-
Processing `C:/Users/Jon/Desktop/Kummer
72.ly'
Parsing...
Interpreting music... [8][16]
Preprocessing graphical objects...
Interpreting music...
MIDI output to `/Users/Jon/Desktop/Kummer 72.mid'...
Finding the ideal number of pages...
Fitting music on 1 page...
Drawing systems...
Layout output to `/Users/Jon/Desktop/Kummer
72.ps'...
Converting to `/Users/Jon/Desktop/Kummer 72.pdf'...
`gs -q -dDEVICEWIDTHPOINTS#595.28 -dDEVICEHEIGHTPOINTS#841.89 -dCompatibilityLevel#1.4 -dNOPAUSE -dBATCH -r1200 -sDEVICE#pdfwrite -sOutputFile#"/Users/Jon/Desktop/Kummer 72.pdf" -c .setpdfwrite -f "/Users/Jon/Desktop/Kummer
72.ps"' failed (1)
error: failed files: "C:\\Users\\Jon\\Desktop\\Kummer
72.ly"