X:631 not found in http://lesters-tune-a-day.blogspot.co.uk/2014/
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-9110-2014.ps) >>/Users/jc/w/tmp/Tune-9110-get.log 2>&1" returned status 256
http://lesters-tune-a-day.blogspot.co.uk/2014/

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-9110-2014.abc 0 ABC music file with the extracted tune(s)
Tune-9110-2014.ps 6 PostScript
Tune-9110-2014.txt 0 Plain-text file with the extracted tune(s)
Tune-9110-get.log 4212 Log file, useful mostly for debugging
Tune-91103-get.log 20673 Log file, useful mostly for debugging
Tune-91107-caled.abc 0 ABC music file with the extracted tune(s)
Tune-91107-caled.txt 0 Plain-text file with the extracted tune(s)
Tune-91107-get.log 3376 Log file, useful mostly for debugging
These files should be available for 24 hours.