X:158 not found in http://www.inference.phy.cam.ac.uk/dasher/download/training/training_abc_XX.txt

Error exit status 256; here are some files to check:
[P=get.cgi V=1/1 B=0 scale=0.60 512x512 ]
filesizedescription
Form_46754.log 760 Log file, useful mostly for debugging
Tune-46754-get.log 3559 Log file, useful mostly for debugging
Tune-46754-training_abc_XX.abc 0 ABC music file with the extracted tune(s)
Tune-46754-training_abc_XX.txt 0 Plain-text file with the extracted tune(s)
These files should be available for 24 hours.