Mismatch: X:3 doesn't match requested X:2
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-80159-Atholl_Lovat_Set-BSFC---.ps) >>/Users/jc/w/tmp/Tune-80159-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/session/set/Atholl_Lovat_Set-BSFC---.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_80159.log 824 Log file, useful mostly for debugging
Tune-80159-Atholl_Lovat_Set-BSFC---.abc 890 ABC music file with the extracted tune(s)
Tune-80159-Atholl_Lovat_Set-BSFC---.ps 37220 PostScript
Tune-80159-Atholl_Lovat_Set-BSFC---.txt 890 Plain-text file with the extracted tune(s)
Tune-80159-get.log 5485 Log file, useful mostly for debugging
These files should be available for 24 hours.