Following error is occurring.. how to resolve

Jan 18, 2017 5:24:41 PM model.Main
INFO: Loading..

Exception in thread "main" Property exception component:'jsgfGrammar' property:'grammarLocation' - Can't locate resource:/grammars
edu.cmu.sphinx.util.props.InternalConfigurationException: Can't locate resource:/grammars
at edu.cmu.sphinx.util.props.ConfigurationManagerUtils.getResource(ConfigurationManagerUtils.java:468)
at edu.cmu.sphinx.jsgf.JSGFGrammar.newProperties(JSGFGrammar.java:228)
at edu.cmu.sphinx.util.props.PropertySheet.getOwner(PropertySheet.java:518)
at edu.cmu.sphinx.util.props.PropertySheet.getComponent(PropertySheet.java:296)
at edu.cmu.sphinx.linguist.flat.FlatLinguist.newProperties(FlatLinguist.java:222)
at edu.cmu.sphinx.util.props.PropertySheet.getOwner(PropertySheet.java:518)
at edu.cmu.sphinx.util.props.PropertySheet.getComponent(PropertySheet.java:296)
at edu.cmu.sphinx.decoder.search.SimpleBreadthFirstSearchManager.newProperties(SimpleBreadthFirstSearchManager.java:177)
at edu.cmu.sphinx.util.props.PropertySheet.getOwner(PropertySheet.java:518)
at edu.cmu.sphinx.util.props.PropertySheet.getComponent(PropertySheet.java:296)
at edu.cmu.sphinx.decoder.AbstractDecoder.newProperties(AbstractDecoder.java:81)
at edu.cmu.sphinx.decoder.Decoder.newProperties(Decoder.java:36)
at edu.cmu.sphinx.util.props.PropertySheet.getOwner(PropertySheet.java:518)
at edu.cmu.sphinx.util.props.PropertySheet.getComponent(PropertySheet.java:296)
at edu.cmu.sphinx.recognizer.Recognizer.newProperties(Recognizer.java:86)
at edu.cmu.sphinx.util.props.PropertySheet.getOwner(PropertySheet.java:518)
at edu.cmu.sphinx.util.props.ConfigurationManager.lookup(ConfigurationManager.java:163)
at edu.cmu.sphinx.api.Context.(Context.java:73)
at edu.cmu.sphinx.api.Context.(Context.java:45)
at edu.cmu.sphinx.api.AbstractSpeechRecognizer.(AbstractSpeechRecognizer.java:44)
at edu.cmu.sphinx.api.LiveSpeechRecognizer.(LiveSpeechRecognizer.java:34)
at model.Main.(Main.java:55)
at model.Main.main(Main.java:165)