Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/12Minuets12Dances/AMHSI-abc1.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6183-AMHSI-abc1.ps) >>/Users/jc/w/tmp/Tune-6183-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/12Minuets12Dances/AMHSI-abc1.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Coll_6183.log 137644 Log file, useful mostly for debugging
Coll_61834.log 266066 Log file, useful mostly for debugging
Coll_61839.log 260446 Log file, useful mostly for debugging
Form_6183.log 834 Log file, useful mostly for debugging
Tune-6183-AMHSI-abc1.abc 160 ABC music file with the extracted tune(s)
Tune-6183-AMHSI-abc1.ps 6 PostScript
Tune-6183-AMHSI-abc1.txt 160 Plain-text file with the extracted tune(s)
Tune-6183-get.log 8838 Log file, useful mostly for debugging
Tune-61834-get.log 4918 Log file, useful mostly for debugging
Tune-61839-get.log 3885 Log file, useful mostly for debugging
These files should be available for 24 hours.