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

Error exit status 256; here are some files to check:
[get.cgi V=1/1 B=0 scale=0.65 512x512 ]
filesizedescription
Coll_94158.log 145453 Log file, useful mostly for debugging
Find_94159.log 1503 Log file, useful mostly for debugging
Tune-9415-get.log 3097 Log file, useful mostly for debugging
Tune-9415-proto.abc 157 ABC music file with the extracted tune(s)
Tune-9415-proto.txt 157 Plain-text file with the extracted tune(s)
These files should be available for 24 hours.