pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-69031-MorecambeBay.ps) >>/Users/jc/w/tmp/Tune-69031-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/england/MorecambeBay.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_69031.log 496489 Log file, useful mostly for debugging
Form_69031.log 852 Log file, useful mostly for debugging
Tune-69031-MorecambeBay.abc 548 ABC music file with the extracted tune(s)
Tune-69031-MorecambeBay.ps 36078 PostScript
Tune-69031-MorecambeBay.txt 548 Plain-text file with the extracted tune(s)
Tune-69031-get.log 4370 Log file, useful mostly for debugging
These files should be available for 24 hours.