Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/DftY/Thompson.abc/1778"

Error exit status 256; here are some files to check:
[get.cgi V=1/1 B=0 scale=0.55 512x512 ]
filesizedescription
Tune-48703-1778.abc 150 ABC music file with the extracted tune(s)
Tune-48703-1778.txt 150 Plain-text file with the extracted tune(s)
Tune-48703-get.log 4579 Log file, useful mostly for debugging
These files should be available for 24 hours.