pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-539-hamc.ps) >>/Users/jc/w/tmp/Tune-539-get.log 2>&1" returned status 256
http://www.argonet.co.uk/users/gatherer/scottish/abc2/hamc.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_53930.log 64724 Log file, useful mostly for debugging
Coll_53940.log 567019 Log file, useful mostly for debugging
Coll_53949.log 71744 Log file, useful mostly for debugging
Coll_53951.log 65804 Log file, useful mostly for debugging
Coll_53956.log 65804 Log file, useful mostly for debugging
Coll_53969.log 67694 Log file, useful mostly for debugging
Coll_53970.log 597599 Log file, useful mostly for debugging
Coll_53971.log 790708 Log file, useful mostly for debugging
Coll_53972.log 335053 Log file, useful mostly for debugging
Coll_5399.log 64184 Log file, useful mostly for debugging
Coll_53990.log 290409 Log file, useful mostly for debugging
Coll_53993.log 68774 Log file, useful mostly for debugging
Find_53901.log 1561 Log file, useful mostly for debugging
Form_53991.log 764 Log file, useful mostly for debugging
Form_53996.log 747 Log file, useful mostly for debugging
Tune-539-get.log 4210 Log file, useful mostly for debugging
Tune-539-hamc.abc 311 ABC music file with the extracted tune(s)
Tune-539-hamc.ps 34272 PostScript
Tune-539-hamc.txt 311 Plain-text file with the extracted tune(s)
Tune-5390-get.log 3162 Log file, useful mostly for debugging
Tune-53906-get.log 2920 Log file, useful mostly for debugging
Tune-53906-t.abc 297 ABC music file with the extracted tune(s)
Tune-53906-t.txt 297 Plain-text file with the extracted tune(s)
Tune-53908-get.log 8260 Log file, useful mostly for debugging
Tune-53914-Carolynns_Waltz-D-10.abc 1020 ABC music file with the extracted tune(s)
Tune-53914-Carolynns_Waltz-D-10.ps 42017 PostScript
Tune-53914-Carolynns_Waltz-D-10.txt 1020 Plain-text file with the extracted tune(s)
Tune-53914-get.log 4393 Log file, useful mostly for debugging
Tune-53918-get.log 4171 Log file, useful mostly for debugging
Tune-53919-get.log 4445 Log file, useful mostly for debugging
Tune-53928-CCJ_addendum.abc 791 ABC music file with the extracted tune(s)
Tune-53928-CCJ_addendum.ps 40311 PostScript
Tune-53928-CCJ_addendum.txt 791 Plain-text file with the extracted tune(s)
Tune-53928-get.log 4316 Log file, useful mostly for debugging
Tune-53929-get.log 3037 Log file, useful mostly for debugging
Tune-53937-get.log 3338 Log file, useful mostly for debugging
Tune-53938-get.log 2977 Log file, useful mostly for debugging
Tune-53938-l.abc 184 ABC music file with the extracted tune(s)
Tune-53938-l.txt 184 Plain-text file with the extracted tune(s)
Tune-53940-get.log 3653 Log file, useful mostly for debugging
Tune-53944-get.log 3009 Log file, useful mostly for debugging
Tune-53950-___.abc 421 ABC music file with the extracted tune(s)
Tune-53950-___.malt 2983 Musical Instrument Digital Interface, alternate name for midi format
Tune-53950-___.mid 2983 Musical Instrument Digital interface, shortened name for midi format
Tune-53950-___.midi 2983 Musical Instrument Digital Interface, electronic version of the tune(s)
Tune-53950-___.txt 421 Plain-text file with the extracted tune(s)
Tune-53950-get.log 3959 Log file, useful mostly for debugging
Tune-53951-get.log 9550 Log file, useful mostly for debugging
Tune-53952-get.log 3464 Log file, useful mostly for debugging
Tune-53959-get.log 4334 Log file, useful mostly for debugging
Tune-53966-get.log 1609 Log file, useful mostly for debugging
Tune-53968-WO.abc 0 ABC music file with the extracted tune(s)
Tune-53968-WO.txt 0 Plain-text file with the extracted tune(s)
Tune-53968-get.log 2736 Log file, useful mostly for debugging
Tune-53975-get.log 4378 Log file, useful mostly for debugging
Tune-53976-DumfriesLasses2_D-JC.abc 387 ABC music file with the extracted tune(s)
Tune-53976-DumfriesLasses2_D-JC.gif 0 Graphics Interchange Format, the proprietary scan-line picture format
Tune-53976-DumfriesLasses2_D-JC.ps 34465 PostScript
Tune-53976-DumfriesLasses2_D-JC.txt 387 Plain-text file with the extracted tune(s)
Tune-53976-get.log 5199 Log file, useful mostly for debugging
Tune-53979-get.log 3158 Log file, useful mostly for debugging
Tune-53983-get.log 3161 Log file, useful mostly for debugging
These files should be available for 24 hours.