Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/LM/Sweet____.abc/1771"

Error exit status 256; here are some files to check:
[P=get.cgi V=1/1 B=0 scale=0.55 512x512 ]
filesizedescription
Coll_68374.log 776883 Log file, useful mostly for debugging
Tune-68374-1771.abc 353 ABC music file with the extracted tune(s)
Tune-68374-1771.txt 353 Plain-text file with the extracted tune(s)
Tune-68374-get.log 6659 Log file, useful mostly for debugging
These files should be available for 24 hours.