Fatal error: Uncaught TypeError: method_exists(): Argument #1 ($object_or_class) must be of type object|string, null given in /customers/f/5/c/fysiotoet.nl/httpd.www/wp-content/themes/Avada/includes/lib/inc/templates/rollover.php:147
Stack trace:
#0 /customers/f/5/c/fysiotoet.nl/httpd.www/wp-content/themes/Avada/includes/lib/inc/templates/rollover.php(147): method_exists(NULL, 'get_cart')
#1 /customers/f/5/c/fysiotoet.nl/httpd.www/wp-content/themes/Avada/includes/lib/inc/functions.php(577): include('/customers/f/5/...')
#2 /customers/f/5/c/fysiotoet.nl/httpd.www/wp-includes/class-wp-hook.php(324): avada_render_rollover(207, 'http://www.fysi...', false, false, '0', '0', '', false)
#3 /customers/f/5/c/fysiotoet.nl/httpd.www/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters('', Array)
#4 /customers/f/5/c/fysiotoet.nl/httpd.www/wp-includes/plugin.php(517): WP_Hook->do_action(Array)
#5 /customers/f/5/c/fysiotoet.nl/httpd.www/wp-content/themes/Avada/includes/lib/inc/templates/featured-image-first.php(108): do_action('avada_rollover', 207, 'http://www.fysi...', false, false, 'default', 'default', '', false)
#6 /customers/f/5/c/fysiotoet.nl/httpd.www/wp-content/themes/Avada/includes/lib/inc/functions.php(510): include('/customers/f/5/...')
#7 /customers/f/5/c/fysiotoet.nl/httpd.www/wp-content/plugins/fusion-builder/inc/templates/shortcodes/new-slideshow-blog-shortcode.php(112): fusion_render_first_featured_image_markup(207, 'full', 'http://www.fysi...')
#8 /customers/f/5/c/fysiotoet.nl/httpd.www/wp-content/plugins/fusion-builder/shortcodes/fusion-blog.php(1279): include('/customers/f/5/...')
#9 /customers/f/5/c/fysiotoet.nl/httpd.www/wp-content/plugins/fusion-builder/shortcodes/fusion-blog.php(1354): FusionSC_Blog->get_slideshow()
#10 /customers/f/5/c/fysiotoet.nl/httpd.www/wp-includes/class-wp-hook.php(324): FusionSC_Blog->loop_header('')
#11 /customers/f/5/c/fysiotoet.nl/httpd.www/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters('', Array)
#12 /customers/f/5/c/fysiotoet.nl/httpd.www/wp-includes/plugin.php(517): WP_Hook->do_action(Array)
#13 /customers/f/5/c/fysiotoet.nl/httpd.www/wp-content/plugins/fusion-builder/shortcodes/fusion-blog.php(766): do_action('fusion_blog_sho...')
#14 /customers/f/5/c/fysiotoet.nl/httpd.www/wp-includes/shortcodes.php(433): FusionSC_Blog->render(Array, '', 'fusion_blog')
#15 [internal function]: do_shortcode_tag(Array)
#16 /customers/f/5/c/fysiotoet.nl/httpd.www/wp-includes/shortcodes.php(273): preg_replace_callback('/\\[(\\[?)(fusion...', 'do_shortcode_ta...', '[fusion_blog nu...')
#17 /customers/f/5/c/fysiotoet.nl/httpd.www/wp-content/plugins/fusion-builder/shortcodes/fusion-column.php(615): do_shortcode('[fusion_blog nu...')
#18 /customers/f/5/c/fysiotoet.nl/httpd.www/wp-includes/shortcodes.php(433): FusionSC_Column->render(Array, '[fusion_blog nu...', 'fusion_builder_...')
#19 [internal function]: do_shortcode_tag(Array)
#20 /customers/f/5/c/fysiotoet.nl/httpd.www/wp-includes/shortcodes.php(273): preg_replace_callback('/\\[(\\[?)(fusion...', 'do_shortcode_ta...', '[fusion_builder...')
#21 /customers/f/5/c/fysiotoet.nl/httpd.www/wp-content/plugins/fusion-builder/shortcodes/fusion-row.php(28): do_shortcode('[fusion_builder...')
#22 /customers/f/5/c/fysiotoet.nl/httpd.www/wp-includes/shortcodes.php(433): fusion_builder_row('', '[fusion_builder...', 'fusion_builder_...')
#23 [internal function]: do_shortcode_tag(Array)
#24 /customers/f/5/c/fysiotoet.nl/httpd.www/wp-includes/shortcodes.php(273): preg_replace_callback('/\\[(\\[?)(fusion...', 'do_shortcode_ta...', '[fusion_builder...')
#25 /customers/f/5/c/fysiotoet.nl/httpd.www/wp-content/plugins/fusion-builder/shortcodes/fusion-container.php(694): do_shortcode('[fusion_builder...')
#26 /customers/f/5/c/fysiotoet.nl/httpd.www/wp-includes/shortcodes.php(433): FusionSC_Container->render(Array, '[fusion_builder...', 'fusion_builder_...')
#27 [internal function]: do_shortcode_tag(Array)
#28 /customers/f/5/c/fysiotoet.nl/httpd.www/wp-includes/shortcodes.php(273): preg_replace_callback('/\\[(\\[?)(fusion...', 'do_shortcode_ta...', '[fusion_builder...')
#29 /customers/f/5/c/fysiotoet.nl/httpd.www/wp-includes/class-wp-hook.php(324): do_shortcode('[fusion_builder...')
#30 /customers/f/5/c/fysiotoet.nl/httpd.www/wp-includes/plugin.php(205): WP_Hook->apply_filters('[fusion_builder...', Array)
#31 /customers/f/5/c/fysiotoet.nl/httpd.www/wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php(1863): apply_filters('the_content', '[fusion_builder...')
#32 /customers/f/5/c/fysiotoet.nl/httpd.www/wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php(569): WP_REST_Posts_Controller->prepare_item_for_response(Object(WP_Post), Object(WP_REST_Request))
#33 /customers/f/5/c/fysiotoet.nl/httpd.www/wp-includes/rest-api/class-wp-rest-server.php(1193): WP_REST_Posts_Controller->get_item(Object(WP_REST_Request))
#34 /customers/f/5/c/fysiotoet.nl/httpd.www/wp-includes/rest-api/class-wp-rest-server.php(1041): WP_REST_Server->respond_to_request(Object(WP_REST_Request), '/wp/v2/pages/(?...', Array, NULL)
#35 /customers/f/5/c/fysiotoet.nl/httpd.www/wp-includes/rest-api/class-wp-rest-server.php(431): WP_REST_Server->dispatch(Object(WP_REST_Request))
#36 /customers/f/5/c/fysiotoet.nl/httpd.www/wp-includes/rest-api.php(424): WP_REST_Server->serve_request('/wp/v2/pages/36...')
#37 /customers/f/5/c/fysiotoet.nl/httpd.www/wp-includes/class-wp-hook.php(324): rest_api_loaded(Object(WP))
#38 /customers/f/5/c/fysiotoet.nl/httpd.www/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters(NULL, Array)
#39 /customers/f/5/c/fysiotoet.nl/httpd.www/wp-includes/plugin.php(565): WP_Hook->do_action(Array)
#40 /customers/f/5/c/fysiotoet.nl/httpd.www/wp-includes/class-wp.php(418): do_action_ref_array('parse_request', Array)
#41 /customers/f/5/c/fysiotoet.nl/httpd.www/wp-includes/class-wp.php(813): WP->parse_request('')
#42 /customers/f/5/c/fysiotoet.nl/httpd.www/wp-includes/functions.php(1336): WP->main('')
#43 /customers/f/5/c/fysiotoet.nl/httpd.www/wp-blog-header.php(16): wp()
#44 /customers/f/5/c/fysiotoet.nl/httpd.www/index.php(17): require('/customers/f/5/...')
#45 {main}
thrown in /customers/f/5/c/fysiotoet.nl/httpd.www/wp-content/themes/Avada/includes/lib/inc/templates/rollover.php on line 147