Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/DftY/Thompson.abc/1778"

Error exit status 256; here are some files to check:
[get.cgi V=1/1 B=0 scale=0.65 512x512 ]
filesizedescription
Tune-3839-1778.abc 150 ABC music file with the extracted tune(s)
Tune-3839-1778.txt 150 Plain-text file with the extracted tune(s)
Tune-3839-get.log 3047 Log file, useful mostly for debugging
Tune-38396-151_MissAnnLothiansStrathspey.abc 827 ABC music file with the extracted tune(s)
Tune-38396-151_MissAnnLothiansStrathspey.gif 0 Graphics Interchange Format, the proprietary scan-line picture format
Tune-38396-151_MissAnnLothiansStrathspey.ps 38011 PostScript
Tune-38396-151_MissAnnLothiansStrathspey.txt 827 Plain-text file with the extracted tune(s)
Tune-38396-get.log 5807 Log file, useful mostly for debugging
Tune-38397-get.log 4766 Log file, useful mostly for debugging
These files should be available for 24 hours.