X:1 not found in http://sessionite.com/docs/gf.abc

Error exit status 256; here are some files to check:
[P=get.cgi V=1/1 B=0 scale=0.60 512x512 ]
filesizedescription
Form_17612.log 862 Log file, useful mostly for debugging
Tune-1761-get.log 71188 Log file, useful mostly for debugging
Tune-1761-gf.abc 0 ABC music file with the extracted tune(s)
Tune-1761-gf.txt 0 Plain-text file with the extracted tune(s)
Tune-17612-get.log 4670 Log file, useful mostly for debugging
Tune-17613-get.log 3135 Log file, useful mostly for debugging
Tune-17618-get.log 4144 Log file, useful mostly for debugging
These files should be available for 24 hours.