pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-98717-Irish_Air_from_Robin_Hood.ps) >>/Users/jc/w/tmp/Tune-98717-get.log 2>&1" returned status 256
http://tunearch.org/wiki/Irish_Air_from_Robin_Hood

Error exit status 256; here are some files to check:
[P=get.cgi V=1/1 B=0 scale=0.60 512x512 PNG]
filesizedescription
Tune-98717-HUTB2-1846-V1-001.svg 20871 Scalable Vector Graphics format
Tune-98717-HUTB2-1846-V1.abc 617 ABC music file with the extracted tune(s)
Tune-98717-HUTB2-1846-V1.txt 617 Plain-text file with the extracted tune(s)
Tune-98717-Irish_Air_from_Robin_Hood.abc 396 ABC music file with the extracted tune(s)
Tune-98717-Irish_Air_from_Robin_Hood.ps 33908 PostScript
Tune-98717-Irish_Air_from_Robin_Hood.txt 396 Plain-text file with the extracted tune(s)
Tune-98717-get.log 8519 Log file, useful mostly for debugging
These files should be available for 24 hours.