cntraining NULL clusterer! cannot stat 'normproto': No such file or directory in tesseract-trainer.py script

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Navakanth B

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May 22, 2016, 7:00:41 AM5/22/16

to tesseract-ocr

I am trying to train the tesseract-ocr with numerical values in ubuntu, I have a tiff file like this

and I have created its box file using this http://pp19dd.com/tesseract-ocr-chopper/ and when I run the tesseract-trainer.py script it is giving me this error

cntraining  eng.icr.exp3.tr eng.icr.exp5.tr eng.icr.exp1.tr eng.icr.exp2.tr eng.icr.exp0.tr eng.icr.exp4.tr
Reading eng.icr.exp3.tr ...
Reading eng.icr.exp5.tr ...
Reading eng.icr.exp1.tr ...
Reading eng.icr.exp2.tr ...
Reading eng.icr.exp0.tr ...
Reading eng.icr.exp4.tr ...
Clustering ...
Error: NULL clusterer!
mv: cannot stat 'normproto': No such file or directory
Combining tessdata files
Error opening icr.pffmtable and/or icr.normproto files while icr.inttemp file was present
Error combining tessdata files into icr.traineddata
cp: target '/usr/local/share/tessdata' is not a directory