No data in 'http://legacy.themorrisring.org/more/Tunes/abc/Sherborne.abc'
X:15 not found in http://legacy.themorrisring.org/more/Tunes/abc/Sherborne.abc
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4097-Sherborne.ps) >>/Users/jc/w/tmp/Tune-4097-get.log 2>&1" returned status 256
http://legacy.themorrisring.org/more/Tunes/abc/Sherborne.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_4097.log 917 Log file, useful mostly for debugging
Form_40971.log 931 Log file, useful mostly for debugging
Form_40974.log 888 Log file, useful mostly for debugging
Tune-4097-Sherborne.abc 0 ABC music file with the extracted tune(s)
Tune-4097-Sherborne.ps 6 PostScript
Tune-4097-Sherborne.txt 0 Plain-text file with the extracted tune(s)
Tune-4097-get.log 4493 Log file, useful mostly for debugging
Tune-40974-get.log 52666 Log file, useful mostly for debugging
These files should be available for 24 hours.