pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-81988-training_abc_XX.ps) >>/Users/jc/w/tmp/Tune-81988-get.log 2>&1" returned status 256
http://www.inference.phy.cam.ac.uk/dasher/download/training/training_abc_XX.txt

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_81988.log 918 Log file, useful mostly for debugging
Tune-81988-get.log 4721 Log file, useful mostly for debugging
Tune-81988-training_abc_XX.abc 367 ABC music file with the extracted tune(s)
Tune-81988-training_abc_XX.ps 35652 PostScript
Tune-81988-training_abc_XX.txt 367 Plain-text file with the extracted tune(s)
These files should be available for 24 hours.