Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/DftY/Longman_Cotillons.abc/1770"

Error exit status 256; here are some files to check:
[get.cgi V=1/1 B=0 scale=0.55 512x512 ]
filesizedescription
Coll_13019.log 353175 Log file, useful mostly for debugging
Tune-13019-1770.abc 159 ABC music file with the extracted tune(s)
Tune-13019-1770.txt 159 Plain-text file with the extracted tune(s)
Tune-13019-get.log 3113 Log file, useful mostly for debugging
These files should be available for 24 hours.