Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/JamesOswald/CPC/21050_.abc/all"

Error exit status 256; here are some files to check:
[get.cgi V=1/1 B=0 scale=0.55 512x512 ]
filesizedescription
Coll_37278.log 266066 Log file, useful mostly for debugging
Tune-37278-all.abc 158 ABC music file with the extracted tune(s)
Tune-37278-all.txt 158 Plain-text file with the extracted tune(s)
Tune-37278-get.log 3095 Log file, useful mostly for debugging
These files should be available for 24 hours.