Unable to compile LilyPond input file:
Processing `/var/www/images/tmp/MWLP.1af0b9c34cbdf7f3196c0568325a2fcb/file.ly'
Parsing...
Interpreting music...
Preprocessing graphical objects...
Finding the ideal number of pages...
Fitting music on 1 page...
Drawing systems...
Layout output to `file.eps'...guile: uncaught throw to system-error: (("open-fdes" "~A" ("Permission denied") (13)))