appcelerator - Runtime Error - Java Exception occured -


i doing android application using appcelerator titanium. while run app in device, getting following error. don't know problem in code.

[error] :  tiexceptionhandler: (main) [13,3502] ----- titanium javascript runtime error ----- [error] :  tiexceptionhandler: (main) [1,3503] - in ti:/events.js:64,19 [error] :  tiexceptionhandler: (main) [0,3503] - message: uncaught error: java exception occurred [error] :  tiexceptionhandler: (main) [0,3503] - source:            handled = this._fireeventtoparent(type, data) || handled; [error] :  v8exception: exception occurred @ ti:/events.js:64: uncaught error: java exception occurred


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