Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/Book32/Stewart_SCAJMR_1784-V2.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-570-Stewart_SCAJMR_1784-V2.ps) >>/Users/jc/w/tmp/Tune-570-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Book32/Stewart_SCAJMR_1784-V2.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_57025.log 124974 Log file, useful mostly for debugging
Coll_57043.log 121776 Log file, useful mostly for debugging
Coll_57057.log 141614 Log file, useful mostly for debugging
Coll_57070.log 129455 Log file, useful mostly for debugging
Coll_57084.log 127536 Log file, useful mostly for debugging
Tune-570-Stewart_SCAJMR_1784-V2.abc 161 ABC music file with the extracted tune(s)
Tune-570-Stewart_SCAJMR_1784-V2.ps 6 PostScript
Tune-570-Stewart_SCAJMR_1784-V2.txt 161 Plain-text file with the extracted tune(s)
Tune-570-get.log 4313 Log file, useful mostly for debugging
Tune-57007-get.log 4488 Log file, useful mostly for debugging
Tune-57098-get.log 91536 Log file, useful mostly for debugging
These files should be available for 24 hours.