Mismatch: X:17645 doesn't match requested X:17646
Mismatch: X:17647 doesn't match requested X:17646
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-8413-t.ps) >>/Users/jc/w/tmp/Tune-8413-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/mirror/terra.es/personal8/niltoni/t.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
Coll_84132.log 284021 Log file, useful mostly for debugging
Form_8413.log 954 Log file, useful mostly for debugging
Form_84130.log 906 Log file, useful mostly for debugging
Form_84133.log 931 Log file, useful mostly for debugging
Form_84135.log 925 Log file, useful mostly for debugging
Form_84137.log 914 Log file, useful mostly for debugging
Form_84138.log 948 Log file, useful mostly for debugging
Tune-8413-get.log 372864 Log file, useful mostly for debugging
Tune-8413-t.abc 345 ABC music file with the extracted tune(s)
Tune-8413-t.ps 34373 PostScript
Tune-8413-t.txt 345 Plain-text file with the extracted tune(s)
Tune-84139-get.log 16542 Log file, useful mostly for debugging
These files should be available for 24 hours.