Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/cache/BotCDaSS.abc"

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 ]
filesizedescription
Coll_2937.log 1550240 Log file, useful mostly for debugging
Coll_29370.log 1297402 Log file, useful mostly for debugging
Coll_29371.log 2330341 Log file, useful mostly for debugging
Coll_29372.log 1345560 Log file, useful mostly for debugging
Coll_29373.log 3396962 Log file, useful mostly for debugging
Coll_29376.log 1357602 Log file, useful mostly for debugging
Coll_29377.log 733949 Log file, useful mostly for debugging
Coll_29379.log 468769 Log file, useful mostly for debugging
Tune-2937-BotCDaSS.abc 350 ABC music file with the extracted tune(s)
Tune-2937-BotCDaSS.txt 350 Plain-text file with the extracted tune(s)
Tune-2937-get.log 3051 Log file, useful mostly for debugging
These files should be available for 24 hours.