Error: Could not find or load main class gov.nasa.jpl.ml.cmdline.CLI

[dilipbobby]

when i'm trying to run the classifier for the first time with given given example bin/authorage AgeClassifyTrainer -model model/en-ageClassify.bin -lang en -data data/train.txt -encoding UTF-8 I'm getting class gov.nasa.jpl.ml.cmdline.CLI class not found error