Sekiranya alasan errornya apa ya?

[irfangerard44]

Exception in thread "main" java.lang.NoClassDefFoundError: NLP_ITB/POSTagger/HMM/Decoder/MainTagger
at yusufs.nlp.nerid.utils.POSTagger.(POSTagger.java:43)
at yusufs.nlp.nerid.utils.TextSequence.(TextSequence.java:26)
at yusufs.nlp.nerid.Prediction.predict(Prediction.java:35)
at yusufs.nlp.nerid.IndonesiaNER.predictWithEmbeddedModel(IndonesiaNER.java:57)
at com.ebdesk.ner.ner.main(ner.java:11)
Caused by: java.lang.ClassNotFoundException: NLP_ITB.POSTagger.HMM.Decoder.MainTagger
at java.net.URLClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
... 5 more

[hyperstand]

https://github.com/yusufsyaifudin/ipostagger/blob/master/NLP_ITB/POSTagger/HMM/1.0.0/HMM-1.0.0.jar