Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/cache/Tune-14923-CastABell.abc/tmp"

Error exit status 256; here are some files to check:
[get.cgi V=1/1 B=0 scale=0.55 512x512 ]
filesizedescription
Coll_45609.log 1580349 Log file, useful mostly for debugging
Tune-45609-get.log 3119 Log file, useful mostly for debugging
Tune-45609-tmp.abc 162 ABC music file with the extracted tune(s)
Tune-45609-tmp.txt 162 Plain-text file with the extracted tune(s)
These files should be available for 24 hours.