Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/sets/AMHSI-abc2.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-1506-AMHSI-abc2.ps) >>/Users/jc/w/tmp/Tune-1506-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/sets/AMHSI-abc2.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Form_15062.log 1208 Log file, useful mostly for debugging
Tune-1506-AMHSI-abc2.abc 147 ABC music file with the extracted tune(s)
Tune-1506-AMHSI-abc2.ps 6 PostScript
Tune-1506-AMHSI-abc2.txt 147 Plain-text file with the extracted tune(s)
Tune-1506-get.log 9740 Log file, useful mostly for debugging
Tune-15060-get.log 5552 Log file, useful mostly for debugging
Tune-15065-get.log 10678 Log file, useful mostly for debugging
Tune-15066-get.log 9472 Log file, useful mostly for debugging
Tune-15067-PaulBackstrom-LfD.abc 159 ABC music file with the extracted tune(s)
Tune-15067-PaulBackstrom-LfD.ps 6 PostScript
Tune-15067-PaulBackstrom-LfD.txt 159 Plain-text file with the extracted tune(s)
Tune-15067-get.log 9204 Log file, useful mostly for debugging
Tune-15068-get.log 4577 Log file, useful mostly for debugging
These files should be available for 24 hours.