Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/1766/blank.abc"

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 ]
filesizedescription
Form_74961.log 942 Log file, useful mostly for debugging
Form_74967.log 785 Log file, useful mostly for debugging
Tune-7496-blank.abc 142 ABC music file with the extracted tune(s)
Tune-7496-blank.txt 142 Plain-text file with the extracted tune(s)
Tune-7496-get.log 3057 Log file, useful mostly for debugging
Tune-74960-get.log 4923 Log file, useful mostly for debugging
These files should be available for 24 hours.