Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/1826/proto.abc"

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 ]
filesizedescription
Tune-66160-Aird_vol6_abc2.abc 71700 ABC music file with the extracted tune(s)
Tune-66160-Aird_vol6_abc2.pdf 1929606 Portable Data Format
Tune-66160-Aird_vol6_abc2.ps 1008637 PostScript
Tune-66160-Aird_vol6_abc2.txt 71700 Plain-text file with the extracted tune(s)
Tune-66160-get.log 126093 Log file, useful mostly for debugging
Tune-66160-proto.abc 142 ABC music file with the extracted tune(s)
Tune-66160-proto.txt 142 Plain-text file with the extracted tune(s)
These files should be available for 24 hours.