Mismatch: X:1 doesn't match requested X:2
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-3534-Tam_Lin-Am,Dm-32-4.ps) >>/Users/jc/w/tmp/Tune-3534-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/session/reel/Tam_Lin-Am,Dm-32-4.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_35342.log 0 Log file, useful mostly for debugging
Coll_35346.log 260559 Log file, useful mostly for debugging
Tune-3534-Tam_Lin-Am,Dm-32-4.abc 541 ABC music file with the extracted tune(s)
Tune-3534-Tam_Lin-Am,Dm-32-4.ps 36544 PostScript
Tune-3534-Tam_Lin-Am,Dm-32-4.txt 541 Plain-text file with the extracted tune(s)
Tune-3534-get.log 9601 Log file, useful mostly for debugging
These files should be available for 24 hours.