Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/cache/SCD_Book49-V1.abc"

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 ]
filesizedescription
Form_39249.log 980 Log file, useful mostly for debugging
Tune-3924-SCD_Book49-V1.abc 151 ABC music file with the extracted tune(s)
Tune-3924-SCD_Book49-V1.txt 151 Plain-text file with the extracted tune(s)
Tune-3924-get.log 3203 Log file, useful mostly for debugging
Tune-39240-get.log 3330 Log file, useful mostly for debugging
Tune-39241-get.log 5634 Log file, useful mostly for debugging
Tune-39242-get.log 9982 Log file, useful mostly for debugging
These files should be available for 24 hours.