Actually it was my mistake, I have used wrong API key in test mode, So it will showing the console error. May be in future , UNA developer will showing this error message on application front-end eg"error-pop" , Its more user friendly . It will time saving .
Leonids, I need one more thing , Can you please let me know , How i will change the my website layout and design as i need it. actually i need to re-design all things in there. I wanna use my own css.
Please let me know i will improve it !
Waiting for your response.