pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-573-Irish5.ps) >>/Users/jc/w/tmp/Tune-573-get.log 2>&1" returned status 256
http://jjaquier.free.fr/midifiles/abc/abc/Irish5.abc

Error exit status 256; here are some files to check:
[P=get.cgi V=1/1 B=0 scale=0.60 512x512 PNG]
filesizedescription
Coll_57315.log 145227 Log file, useful mostly for debugging
Coll_5732.log 279146 Log file, useful mostly for debugging
Coll_57326.log 142807 Log file, useful mostly for debugging
Coll_57337.log 142807 Log file, useful mostly for debugging
Coll_57365.log 147042 Log file, useful mostly for debugging
Coll_57377.log 259149 Log file, useful mostly for debugging
Find_57388.log 1449 Log file, useful mostly for debugging
Form_57309.log 854 Log file, useful mostly for debugging
Form_57321.log 842 Log file, useful mostly for debugging
Form_57395.log 830 Log file, useful mostly for debugging
Tune-573-Irish5.abc 174 ABC music file with the extracted tune(s)
Tune-573-Irish5.ps 33632 PostScript
Tune-573-Irish5.txt 174 Plain-text file with the extracted tune(s)
Tune-573-get.log 4179 Log file, useful mostly for debugging
Tune-57307-get.log 5163 Log file, useful mostly for debugging
Tune-57336-get.log 5283 Log file, useful mostly for debugging
Tune-57337-get.log 5569 Log file, useful mostly for debugging
Tune-57356-get.log 3385 Log file, useful mostly for debugging
Tune-57359-get.log 3012 Log file, useful mostly for debugging
Tune-57372-get.log 3267 Log file, useful mostly for debugging
Tune-5738-get.log 3324 Log file, useful mostly for debugging
Tune-57381-get.log 4460 Log file, useful mostly for debugging
Tune-57392-get.log 3158 Log file, useful mostly for debugging
These files should be available for 24 hours.