Fatal error: Uncaught Error: Call to undefined function wp_is_json_request() in /home2/packmdt1/public_html/wp-content/plugins/revslider/includes/slider.class.php:392 Stack trace: #0 /home2/packmdt1/public_html/wp-content/plugins/revslider/includes/slider.class.php(368): RevSliderSlider->init_by_data(Array) #1 /home2/packmdt1/public_html/wp-content/plugins/revslider/includes/slider.class.php(326): RevSliderSlider->init_by_alias('slider4', true) #2 /home2/packmdt1/public_html/wp-content/plugins/revslider/includes/output.sr6.class.php(736): RevSliderSlider->init_by_mixed('slider4') #3 /home2/packmdt1/public_html/wp-content/plugins/revslider/includes/output.sr6.class.php(712): RevSliderOutput->add_slider_base() #4 /home2/packmdt1/public_html/wp-content/plugins/revslider/revslider.php(292): RevSliderOutput->add_slider_to_stage('slider4') #5 /home2/packmdt1/public_html/wp-content/plugins/revslider/revslider.php(273): add_revslider('slider4', '') #6 /home2/packmdt1/public_html/wp-content/themes/dt-the7/inc/template-hooks.php(11 in /home2/packmdt1/public_html/wp-content/plugins/revslider/includes/slider.class.php on line 392