Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/cache/Kerr_MM3-V2.abc"

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 ]
filesizedescription
Tune-2915-Kerr_MM3-V2.abc 149 ABC music file with the extracted tune(s)
Tune-2915-Kerr_MM3-V2.txt 149 Plain-text file with the extracted tune(s)
Tune-2915-get.log 8068 Log file, useful mostly for debugging
Tune-29151-get.log 5428 Log file, useful mostly for debugging
Tune-29155-get.log 5675 Log file, useful mostly for debugging
Tune-29159-get.log 3086 Log file, useful mostly for debugging
These files should be available for 24 hours.