Got HTTP status 404 Not Found for "http://jjaquier.free.fr/midifiles/abc/abc/Airs de France3.abc"
X:86 not found in http://jjaquier.free.fr/midifiles/abc/abc/Airs de France3.abc
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-8701-Airs.ps) >>/Users/jc/w/tmp/Tune-8701-get.log 2>&1" returned status 256
http://jjaquier.free.fr/midifiles/abc/abc/Airs de France3.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_87015.log 161562 Log file, useful mostly for debugging
Form_87011.log 756 Log file, useful mostly for debugging
Form_87014.log 740 Log file, useful mostly for debugging
Form_87019.log 737 Log file, useful mostly for debugging
Tune-8701-Airs.abc 0 ABC music file with the extracted tune(s)
Tune-8701-Airs.ps 0 PostScript
Tune-8701-Airs.txt 0 Plain-text file with the extracted tune(s)
Tune-8701-get.log 0 Log file, useful mostly for debugging
Tune-87013-get.log 1504 Log file, useful mostly for debugging
Tune-87014-get.log 3789 Log file, useful mostly for debugging
These files should be available for 24 hours.