Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/Book40/proto.abc"

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 ]
filesizedescription
Coll_65131.log 137776 Log file, useful mostly for debugging
Tune-6513-get.log 3067 Log file, useful mostly for debugging
Tune-6513-proto.abc 144 ABC music file with the extracted tune(s)
Tune-6513-proto.txt 144 Plain-text file with the extracted tune(s)
Tune-65130-get.log 1417 Log file, useful mostly for debugging
These files should be available for 24 hours.