Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/Book49/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_88874.log 149295 Log file, useful mostly for debugging
Tune-8887-get.log 3067 Log file, useful mostly for debugging
Tune-8887-proto.abc 144 ABC music file with the extracted tune(s)
Tune-8887-proto.txt 144 Plain-text file with the extracted tune(s)
Tune-88870-get.log 1369 Log file, useful mostly for debugging
Tune-88872-get.log 15078 Log file, useful mostly for debugging
Tune-88876-get.log 3886 Log file, useful mostly for debugging
Tune-88877-get.log 4388 Log file, useful mostly for debugging
These files should be available for 24 hours.