Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/1776/Gow-CSR4-abc2.abc"

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 ]
filesizedescription
Tune-6031-Gow-CSR4-abc2.abc 150 ABC music file with the extracted tune(s)
Tune-6031-Gow-CSR4-abc2.txt 150 Plain-text file with the extracted tune(s)
Tune-6031-get.log 3201 Log file, useful mostly for debugging
Tune-60312-get.log 1400 Log file, useful mostly for debugging
Tune-60314-get.log 4521 Log file, useful mostly for debugging
Tune-60316-get.log 1400 Log file, useful mostly for debugging
Tune-60318-LondonWattonTownsEnd-001.svg 6758 Scalable Vector Graphics format
Tune-60318-LondonWattonTownsEnd.abc 248 ABC music file with the extracted tune(s)
Tune-60318-LondonWattonTownsEnd.txt 248 Plain-text file with the extracted tune(s)
Tune-60318-get.log 4330 Log file, useful mostly for debugging
These files should be available for 24 hours.