Mismatch: X:18820 doesn't match requested X:18827
Mismatch: X:18821 doesn't match requested X:18827
Mismatch: X:18822 doesn't match requested X:18827
Mismatch: X:18823 doesn't match requested X:18827
Mismatch: X:18824 doesn't match requested X:18827
Mismatch: X:18825 doesn't match requested X:18827
Mismatch: X:18826 doesn't match requested X:18827
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-12351-w.ps) >>/Users/jc/w/tmp/Tune-12351-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/mirror/terra.es/personal8/niltoni/w.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
Tune-12351-get.log 132802 Log file, useful mostly for debugging
Tune-12351-w.abc 348 ABC music file with the extracted tune(s)
Tune-12351-w.ps 34752 PostScript
Tune-12351-w.txt 348 Plain-text file with the extracted tune(s)
These files should be available for 24 hours.