Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/MacNab02/CDfNH1783.abc"

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 ]
filesizedescription
Tune-2514-CDfNH1783.abc 150 ABC music file with the extracted tune(s)
Tune-2514-CDfNH1783.txt 150 Plain-text file with the extracted tune(s)
Tune-2514-get.log 3147 Log file, useful mostly for debugging
Tune-25140-get.log 1405 Log file, useful mostly for debugging
Tune-25142-get.log 3749 Log file, useful mostly for debugging
Tune-25143-get.log 4906 Log file, useful mostly for debugging
Tune-25146-get.log 5433 Log file, useful mostly for debugging
Tune-25149-get.log 5717 Log file, useful mostly for debugging
These files should be available for 24 hours.