Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/1766/Gow-CR-abc1.abc"

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 ]
filesizedescription
Tune-1906-Gow-CR-abc1.abc 148 ABC music file with the extracted tune(s)
Tune-1906-Gow-CR-abc1.txt 148 Plain-text file with the extracted tune(s)
Tune-1906-get.log 3163 Log file, useful mostly for debugging
Tune-19060-get.log 5047 Log file, useful mostly for debugging
Tune-19061-Newcastle_PLFD1651_067-001.svg 13138 Scalable Vector Graphics format
Tune-19061-Newcastle_PLFD1651_067.abc 400 ABC music file with the extracted tune(s)
Tune-19061-Newcastle_PLFD1651_067.txt 400 Plain-text file with the extracted tune(s)
Tune-19061-get.log 4384 Log file, useful mostly for debugging
Tune-19064-get.log 3384 Log file, useful mostly for debugging
Tune-19069-get.log 4119 Log file, useful mostly for debugging
These files should be available for 24 hours.