Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/D78/MMM2.abc"

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 ]
filesizedescription
Tune-9941-MMM2.abc 140 ABC music file with the extracted tune(s)
Tune-9941-MMM2.txt 140 Plain-text file with the extracted tune(s)
Tune-9941-get.log 3027 Log file, useful mostly for debugging
Tune-99410-get.log 5430 Log file, useful mostly for debugging
Tune-99411-get.log 91107 Log file, useful mostly for debugging
Tune-99414-get.log 41090 Log file, useful mostly for debugging
Tune-99419-get.log 27249 Log file, useful mostly for debugging
These files should be available for 24 hours.