Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/Book10/CDfNH1783.abc"

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 ]
filesizedescription
Form_34928.log 1139 Log file, useful mostly for debugging
Tune-34928-CDfNH1783.abc 148 ABC music file with the extracted tune(s)
Tune-34928-CDfNH1783.txt 148 Plain-text file with the extracted tune(s)
Tune-34928-get.log 3147 Log file, useful mostly for debugging
These files should be available for 24 hours.