Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/HUTB1/endo.abc"

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 ]
filesizedescription
Coll_99511.log 261284 Log file, useful mostly for debugging
Tune-9951-endo.abc 142 ABC music file with the extracted tune(s)
Tune-9951-endo.txt 142 Plain-text file with the extracted tune(s)
Tune-9951-get.log 4421 Log file, useful mostly for debugging
Tune-99511-get.log 4259 Log file, useful mostly for debugging
Tune-99512-RobertBremner_CSRCD1.abc 157 ABC music file with the extracted tune(s)
Tune-99512-RobertBremner_CSRCD1.txt 157 Plain-text file with the extracted tune(s)
Tune-99512-get.log 3364 Log file, useful mostly for debugging
Tune-99517-get.log 4741 Log file, useful mostly for debugging
Tune-99518-get.log 4976 Log file, useful mostly for debugging
Tune-99519-Kerr_MM1-V1.abc 164 ABC music file with the extracted tune(s)
Tune-99519-Kerr_MM1-V1.ps 6 PostScript
Tune-99519-Kerr_MM1-V1.txt 164 Plain-text file with the extracted tune(s)
Tune-99519-get.log 4231 Log file, useful mostly for debugging
These files should be available for 24 hours.