Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/Book13/William_Clarke_MS_1770.abc"

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 ]
filesizedescription
Coll_52249.log 167517 Log file, useful mostly for debugging
Find_52242.log 1511 Log file, useful mostly for debugging
Tune-5224-William_Clarke_MS_1770.abc 161 ABC music file with the extracted tune(s)
Tune-5224-William_Clarke_MS_1770.txt 161 Plain-text file with the extracted tune(s)
Tune-5224-get.log 3371 Log file, useful mostly for debugging
Tune-52242-get.log 1489 Log file, useful mostly for debugging
Tune-52243-get.log 1249 Log file, useful mostly for debugging
Tune-52245-JamesOswald_CPC-abc2.abc 157 ABC music file with the extracted tune(s)
Tune-52245-JamesOswald_CPC-abc2.ps 6 PostScript
Tune-52245-JamesOswald_CPC-abc2.txt 157 Plain-text file with the extracted tune(s)
Tune-52245-get.log 4203 Log file, useful mostly for debugging
Tune-52247-get.log 4112 Log file, useful mostly for debugging
These files should be available for 24 hours.