Mismatch: X:309 doesn't match requested X:10315
X:10315 not found in http://richardrobinson.tunebook.org.uk/data/tunebook.abc

Error exit status 256; here are some files to check:
[P=get.cgi V=1/1 B=0 scale=0.60 512x512 ]
filesizedescription
Coll_76346.log 257739 Log file, useful mostly for debugging
Form_76342.log 1699 Log file, useful mostly for debugging
Tune-7634-get.log 3728160 Log file, useful mostly for debugging
Tune-7634-tunebook.abc 0 ABC music file with the extracted tune(s)
Tune-7634-tunebook.txt 0 Plain-text file with the extracted tune(s)
Tune-76341-get.log 2990 Log file, useful mostly for debugging
Tune-76343-get.log 4790 Log file, useful mostly for debugging
Tune-76344-get.log 4890 Log file, useful mostly for debugging
Tune-76346-get.log 4640 Log file, useful mostly for debugging
Tune-76348-get.log 10642 Log file, useful mostly for debugging
Tune-76348-jigs.abc 297 ABC music file with the extracted tune(s)
Tune-76348-jigs.txt 297 Plain-text file with the extracted tune(s)
These files should be available for 24 hours.