X:769 not found in http://nigelgatherer.com/tunes/abc/abc10/salmt.abc
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-9353-salmt.ps) >>/Users/jc/w/tmp/Tune-9353-get.log 2>&1" returned status 256
http://nigelgatherer.com/tunes/abc/abc10/salmt.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
Find_9353.log 1510 Log file, useful mostly for debugging
Find_93532.log 1598 Log file, useful mostly for debugging
Form_93531.log 908 Log file, useful mostly for debugging
Form_93533.log 901 Log file, useful mostly for debugging
Form_93537.log 920 Log file, useful mostly for debugging
Tune-9353-get.log 4288 Log file, useful mostly for debugging
Tune-9353-salmt.abc 0 ABC music file with the extracted tune(s)
Tune-9353-salmt.ps 6 PostScript
Tune-9353-salmt.txt 0 Plain-text file with the extracted tune(s)
These files should be available for 24 hours.