pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-717-Kerr_MM2-V2.ps) >>/Users/jc/w/tmp/Tune-717-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Kerr/MM2/Kerr_MM2-V2.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_717.log 279289 Log file, useful mostly for debugging
Coll_71710.log 129988 Log file, useful mostly for debugging
Coll_71713.log 66884 Log file, useful mostly for debugging
Coll_71715.log 68234 Log file, useful mostly for debugging
Coll_71728.log 276509 Log file, useful mostly for debugging
Coll_71729.log 340343 Log file, useful mostly for debugging
Coll_71735.log 130798 Log file, useful mostly for debugging
Coll_71741.log 265389 Log file, useful mostly for debugging
Coll_71755.log 68774 Log file, useful mostly for debugging
Coll_71756.log 62294 Log file, useful mostly for debugging
Coll_71757.log 68504 Log file, useful mostly for debugging
Coll_7176.log 68504 Log file, useful mostly for debugging
Coll_71768.log 66884 Log file, useful mostly for debugging
Coll_71774.log 137532 Log file, useful mostly for debugging
Coll_71775.log 64184 Log file, useful mostly for debugging
Coll_71780.log 85311 Log file, useful mostly for debugging
Form_71700.log 1580 Log file, useful mostly for debugging
Form_71705.log 728 Log file, useful mostly for debugging
Form_71706.log 925 Log file, useful mostly for debugging
Form_71718.log 776 Log file, useful mostly for debugging
Form_71722.log 751 Log file, useful mostly for debugging
Form_71725.log 741 Log file, useful mostly for debugging
Form_71726.log 739 Log file, useful mostly for debugging
Form_71727.log 722 Log file, useful mostly for debugging
Form_7173.log 746 Log file, useful mostly for debugging
Form_71744.log 1498 Log file, useful mostly for debugging
Form_71749.log 1488 Log file, useful mostly for debugging
Form_71755.log 815 Log file, useful mostly for debugging
Form_71762.log 754 Log file, useful mostly for debugging
Form_71774.log 747 Log file, useful mostly for debugging
Form_71777.log 738 Log file, useful mostly for debugging
Form_7178.log 751 Log file, useful mostly for debugging
Form_71781.log 795 Log file, useful mostly for debugging
Form_71784.log 760 Log file, useful mostly for debugging
Form_71788.log 745 Log file, useful mostly for debugging
Form_71793.log 733 Log file, useful mostly for debugging
Form_71798.log 768 Log file, useful mostly for debugging
Tune-717-Kerr_MM2-V2.abc 430 ABC music file with the extracted tune(s)
Tune-717-Kerr_MM2-V2.ps 35819 PostScript
Tune-717-Kerr_MM2-V2.txt 430 Plain-text file with the extracted tune(s)
Tune-717-get.log 7127 Log file, useful mostly for debugging
Tune-71700-get.log 69979 Log file, useful mostly for debugging
Tune-71702-get.log 16135 Log file, useful mostly for debugging
Tune-71704-get.log 5170 Log file, useful mostly for debugging
Tune-71705-get.log 3851 Log file, useful mostly for debugging
Tune-71707-0863-Young_Francis_Mooney.abc 246 ABC music file with the extracted tune(s)
Tune-71707-0863-Young_Francis_Mooney.txt 246 Plain-text file with the extracted tune(s)
Tune-71707-get.log 3517 Log file, useful mostly for debugging
Tune-71709-get.log 3052 Log file, useful mostly for debugging
Tune-71711-MacNamaras_Band_US-C-64-3.abc 1014 ABC music file with the extracted tune(s)
Tune-71711-MacNamaras_Band_US-C-64-3.gif 0 Graphics Interchange Format, the proprietary scan-line picture format
Tune-71711-MacNamaras_Band_US-C-64-3.ps 35388 PostScript
Tune-71711-MacNamaras_Band_US-C-64-3.txt 1014 Plain-text file with the extracted tune(s)
Tune-71711-get.log 5903 Log file, useful mostly for debugging
Tune-71714-get.log 4292 Log file, useful mostly for debugging
Tune-71717-get.log 3787 Log file, useful mostly for debugging
Tune-71718-get.log 2882 Log file, useful mostly for debugging
Tune-7172-get.log 3664 Log file, useful mostly for debugging
Tune-71721-get.log 7775 Log file, useful mostly for debugging
Tune-71725-get.log 4253 Log file, useful mostly for debugging
Tune-71727-Marshall-SelectionsFrom1822.abc 368 ABC music file with the extracted tune(s)
Tune-71727-Marshall-SelectionsFrom1822.txt 368 Plain-text file with the extracted tune(s)
Tune-71727-get.log 3203 Log file, useful mostly for debugging
Tune-71728-get.log 4529 Log file, useful mostly for debugging
Tune-71730-get.log 3132 Log file, useful mostly for debugging
Tune-71731-get.log 3434 Log file, useful mostly for debugging
Tune-71732-get.log 2802 Log file, useful mostly for debugging
Tune-71734-get.log 2809 Log file, useful mostly for debugging
Tune-71735-get.log 3187 Log file, useful mostly for debugging
Tune-71735-irish_washerwoman.abc 1890 ABC music file with the extracted tune(s)
Tune-71735-irish_washerwoman.txt 1890 Plain-text file with the extracted tune(s)
Tune-71736-get.log 4185 Log file, useful mostly for debugging
Tune-71740-get.log 3296 Log file, useful mostly for debugging
Tune-71744-get.log 5159 Log file, useful mostly for debugging
Tune-71746-get.log 2924 Log file, useful mostly for debugging
Tune-7175-get.log 6564 Log file, useful mostly for debugging
Tune-71750-get.log 7201 Log file, useful mostly for debugging
Tune-71752-get.log 3847 Log file, useful mostly for debugging
Tune-71753-BL.abc 0 ABC music file with the extracted tune(s)
Tune-71753-BL.txt 0 Plain-text file with the extracted tune(s)
Tune-71753-get.log 190716 Log file, useful mostly for debugging
Tune-71756-get.log 65688 Log file, useful mostly for debugging
Tune-71759-get.log 3755 Log file, useful mostly for debugging
Tune-71761-get.log 3321 Log file, useful mostly for debugging
Tune-71762-get.log 2981 Log file, useful mostly for debugging
Tune-71763-get.log 5675 Log file, useful mostly for debugging
Tune-71765-get.log 4875 Log file, useful mostly for debugging
Tune-71766-get.log 3136 Log file, useful mostly for debugging
Tune-71767-get.log 4238 Log file, useful mostly for debugging
Tune-71768-get.log 5860 Log file, useful mostly for debugging
Tune-71768-miller.abc 325 ABC music file with the extracted tune(s)
Tune-71768-miller.txt 325 Plain-text file with the extracted tune(s)
Tune-71772-get.log 6428 Log file, useful mostly for debugging
Tune-71773-get.log 8386 Log file, useful mostly for debugging
Tune-71775-get.log 2900 Log file, useful mostly for debugging
Tune-71777-get.log 4919 Log file, useful mostly for debugging
Tune-71783-get.log 96709 Log file, useful mostly for debugging
Tune-71785-get.log 3299 Log file, useful mostly for debugging
Tune-71786-get.log 2798 Log file, useful mostly for debugging
Tune-71787-get.log 3847 Log file, useful mostly for debugging
Tune-71789-get.log 4204 Log file, useful mostly for debugging
Tune-7179-get.log 2936 Log file, useful mostly for debugging
Tune-71790-get.log 12728 Log file, useful mostly for debugging
Tune-71792-Karjalan_Poikia-D-32-2-001.svg 17227 Scalable Vector Graphics format
Tune-71792-Karjalan_Poikia-D-32-2.abc 494 ABC music file with the extracted tune(s)
Tune-71792-Karjalan_Poikia-D-32-2.txt 494 Plain-text file with the extracted tune(s)
Tune-71792-get.log 4968 Log file, useful mostly for debugging
Tune-71797-get.log 2986 Log file, useful mostly for debugging
Tune-71799-get.log 5271 Log file, useful mostly for debugging
These files should be available for 24 hours.