Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/MMM2/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-9668-CDfNH1783.abc 146 ABC music file with the extracted tune(s)
Tune-9668-CDfNH1783.txt 146 Plain-text file with the extracted tune(s)
Tune-9668-get.log 3127 Log file, useful mostly for debugging
Tune-96680-Kerr_MM2-V2.abc 150 ABC music file with the extracted tune(s)
Tune-96680-Kerr_MM2-V2.ps 6 PostScript
Tune-96680-Kerr_MM2-V2.txt 150 Plain-text file with the extracted tune(s)
Tune-96680-get.log 4026 Log file, useful mostly for debugging
Tune-96681-get.log 3979 Log file, useful mostly for debugging
Tune-96684-get.log 6057 Log file, useful mostly for debugging
Tune-96685-get.log 3144 Log file, useful mostly for debugging
Tune-96686-get.log 5630 Log file, useful mostly for debugging
These files should be available for 24 hours.