X:15 not found in http://www.flutefling.co.uk/wp-content/uploads/2014/09/FF_repertoire_2014-15_edit.txt
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-48175-FF_repertoire_2014-15_edit.ps) >>/Users/jc/w/tmp/Tune-48175-get.log 2>&1" returned status 256
http://www.flutefling.co.uk/wp-content/uploads/2014/09/FF_repertoire_2014-15_edit.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_48175.log 1515 Log file, useful mostly for debugging
Tune-48175-FF_repertoire_2014-15_edit.abc 0 ABC music file with the extracted tune(s)
Tune-48175-FF_repertoire_2014-15_edit.ps 6 PostScript
Tune-48175-FF_repertoire_2014-15_edit.txt 0 Plain-text file with the extracted tune(s)
Tune-48175-get.log 4700 Log file, useful mostly for debugging
These files should be available for 24 hours.