Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/1784/24CountryDances_1798_Bland_Weller.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-1805-24CountryDances_1798_Bland_Weller.ps) >>/Users/jc/w/tmp/Tune-1805-get.log 2>&1" returned status 256
Error exit status 256; here are some files to check: