X:103 not found in http://lesters-tune-a-day.blogspot.fr/2012/12/
pscmd="(jcabc2ps /Users/jc/w/tmp/Tune-6749-12.abc -F fmt/pdf_60.fmt +s 0.60 +maxs 2000 )>/Users/jc/w/tmp/Tune-6749-12.ps 2>>/Users/jc/w/tmp/Tune-6749-get.log" returned status 256.
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6749-12.ps) >>/Users/jc/w/tmp/Tune-6749-get.log 2>&1" returned status 256
http://lesters-tune-a-day.blogspot.fr/2012/12/

Error exit status 256; here are some files to check:
[P=get.cgi V=1/1 B=0 scale=0.60 512x512 PNG]
filesizedescription
Coll_67498.log 143412 Log file, useful mostly for debugging
Form_67496.log 835 Log file, useful mostly for debugging
Form_67499.log 822 Log file, useful mostly for debugging
Tune-6749-12.abc 0 ABC music file with the extracted tune(s)
Tune-6749-12.txt 0 Plain-text file with the extracted tune(s)
Tune-6749-get.log 826 Log file, useful mostly for debugging
Tune-67490-get.log 3156 Log file, useful mostly for debugging
Tune-67492-get.log 4282 Log file, useful mostly for debugging
Tune-67492-miller.abc 0 ABC music file with the extracted tune(s)
Tune-67492-miller.txt 0 Plain-text file with the extracted tune(s)
These files should be available for 24 hours.