Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/1762/Collections.abc"

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 ]
filesizedescription
Coll_87263.log 269410 Log file, useful mostly for debugging
Coll_87267.log 462608 Log file, useful mostly for debugging
Coll_87268.log 1368229 Log file, useful mostly for debugging
Coll_87269.log 276410 Log file, useful mostly for debugging
Tune-8726-Collections.abc 148 ABC music file with the extracted tune(s)
Tune-8726-Collections.txt 148 Plain-text file with the extracted tune(s)
Tune-8726-get.log 3163 Log file, useful mostly for debugging
Tune-87267-get.log 4061 Log file, useful mostly for debugging
These files should be available for 24 hours.