X:12030 not found in http://pghardy.net/concertina/tunebooks/pgh_session_tunebook.abc
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-9609-pgh_session_tunebook.ps) >>/Users/jc/w/tmp/Tune-9609-get.log 2>&1" returned status 256
http://pghardy.net/concertina/tunebooks/pgh_session_tunebook.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
Form_9609.log 921 Log file, useful mostly for debugging
Form_96096.log 1840 Log file, useful mostly for debugging
Form_96098.log 930 Log file, useful mostly for debugging
Tune-9609-get.log 187610 Log file, useful mostly for debugging
Tune-9609-pgh_session_tunebook.abc 0 ABC music file with the extracted tune(s)
Tune-9609-pgh_session_tunebook.ps 6 PostScript
Tune-9609-pgh_session_tunebook.txt 0 Plain-text file with the extracted tune(s)
Tune-96090-get.log 202486 Log file, useful mostly for debugging
Tune-96091-get.log 86900 Log file, useful mostly for debugging
Tune-96091-sessionite.abc 520 ABC music file with the extracted tune(s)
Tune-96091-sessionite.ps 35212 PostScript
Tune-96091-sessionite.txt 520 Plain-text file with the extracted tune(s)
Tune-96095-get.log 3336 Log file, useful mostly for debugging
These files should be available for 24 hours.