Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/Whetherly21/proto.abc"

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 ]
filesizedescription
Tune-1790-get.log 3093 Log file, useful mostly for debugging
Tune-1790-proto.abc 149 ABC music file with the extracted tune(s)
Tune-1790-proto.txt 149 Plain-text file with the extracted tune(s)
Tune-17902-get.log 5447 Log file, useful mostly for debugging
Tune-17904-get.log 6474 Log file, useful mostly for debugging
These files should be available for 24 hours.