pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-849-Accordeonistes_1-D-32-4.ps) >>/Users/jc/w/tmp/Tune-849-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/abc/Scotland/reel/Accordeonistes_1-D-32-4.abc

Error exit status 256; here are some files to check:
[P=get.cgi V=1/1 B=0 scale=0.65 512x512 PNG]
filesizedescription
Form_84929.log 882 Log file, useful mostly for debugging
Form_84934.log 867 Log file, useful mostly for debugging
Tune-849-Accordeonistes_1-D-32-4.abc 464 ABC music file with the extracted tune(s)
Tune-849-Accordeonistes_1-D-32-4.ps 35983 PostScript
Tune-849-Accordeonistes_1-D-32-4.txt 464 Plain-text file with the extracted tune(s)
Tune-849-get.log 4721 Log file, useful mostly for debugging
Tune-84907-folk-dances.abc 490 ABC music file with the extracted tune(s)
Tune-84907-folk-dances.ps 35525 PostScript
Tune-84907-folk-dances.txt 490 Plain-text file with the extracted tune(s)
Tune-84907-get.log 44693 Log file, useful mostly for debugging
Tune-84932-MILLER.abc 553 ABC music file with the extracted tune(s)
Tune-84932-MILLER.txt 553 Plain-text file with the extracted tune(s)
Tune-84932-get.log 35055 Log file, useful mostly for debugging
Tune-84950-TeviotBrig-001.svg 16517 Scalable Vector Graphics format
Tune-84950-TeviotBrig.abc 334 ABC music file with the extracted tune(s)
Tune-84950-TeviotBrig.txt 334 Plain-text file with the extracted tune(s)
Tune-84950-get.log 31404 Log file, useful mostly for debugging
Tune-84955-DustyMillers.abc 468 ABC music file with the extracted tune(s)
Tune-84955-DustyMillers.gif 0 Graphics Interchange Format, the proprietary scan-line picture format
Tune-84955-DustyMillers.ps 33359 PostScript
Tune-84955-DustyMillers.txt 468 Plain-text file with the extracted tune(s)
Tune-84955-get.log 5504 Log file, useful mostly for debugging
Tune-84958-get.log 3053 Log file, useful mostly for debugging
Tune-84958-strathspey0.abc 0 ABC music file with the extracted tune(s)
Tune-84958-strathspey0.txt 0 Plain-text file with the extracted tune(s)
Tune-84967-CJ23.abc 483 ABC music file with the extracted tune(s)
Tune-84967-CJ23.malt 4331 Musical Instrument Digital Interface, alternate name for midi format
Tune-84967-CJ23.mid 4331 Musical Instrument Digital interface, shortened name for midi format
Tune-84967-CJ23.midi 4331 Musical Instrument Digital Interface, electronic version of the tune(s)
Tune-84967-CJ23.txt 483 Plain-text file with the extracted tune(s)
Tune-84967-get.log 4904 Log file, useful mostly for debugging
These files should be available for 24 hours.