pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-32820-VCB2.ps) >>/Users/jc/w/tmp/Tune-32820-get.log 2>&1" returned status 256
http://jjaquier.free.fr/midifiles/abc/VCB2.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_32820.log 65264 Log file, useful mostly for debugging
Tune-32820-VCB2.abc 540 ABC music file with the extracted tune(s)
Tune-32820-VCB2.ps 41209 PostScript
Tune-32820-VCB2.txt 540 Plain-text file with the extracted tune(s)
Tune-32820-get.log 4013 Log file, useful mostly for debugging
These files should be available for 24 hours.