Uncaught TypeError: $(...).flexslider is not a function

Hi Guyz I am facing this error with all slider plugins if I change the flexslider to coin Slider than it will show $(...).coinslider is not a function ....... Uncaught TypeError: $(...).flexslider is not a functionmetaslider_105 @ (index):111 timer_metaslider_105 @ (index):126 setTimeout (async)timer_metaslider_105 @ (index):126 (anonymous function) @ (index):128

Thanks in Advance for Help