pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-51813-makamu5.ps) >>/Users/jc/w/tmp/Tune-51813-get.log 2>&1" returned status 256
http://ifdo.ca/~seymour/runabc/makams/makamu5.abc

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-51813-get.log 10441 Log file, useful mostly for debugging
Tune-51813-makamu5.abc 2279 ABC music file with the extracted tune(s)
Tune-51813-makamu5.ps 54970 PostScript
Tune-51813-makamu5.txt 2279 Plain-text file with the extracted tune(s)
These files should be available for 24 hours.