Fatal error: Uncaught TypeError: json_decode(): Argument #1 ($json) must be of type string, WP_Error given in /home/.sites/31/site2968/web/wp2018/wp-content/plugins/easy-facebook-likebox-premium/facebook/frontend/easy-facebook-likebox.php:2194 Stack trace: #0 /home/.sites/31/site2968/web/wp2018/wp-content/plugins/easy-facebook-likebox-premium/facebook/frontend/easy-facebook-likebox.php(2194): json_decode(Object(WP_Error)) #1 /home/.sites/31/site2968/web/wp2018/wp-content/plugins/easy-facebook-likebox-premium/facebook/frontend/views/feed.php(60): Easy_Facebook_Likebox->query_posts('665737723436898', Array) #2 /home/.sites/31/site2968/web/wp2018/wp-content/plugins/easy-facebook-likebox-premium/facebook/frontend/easy-facebook-likebox.php(567): include('/home/.sites/31...') #3 /home/.sites/31/site2968/web/wp2018/wp-content/plugins/easy-facebook-likebox-premium/facebook/frontend/easy-facebook-likebox.php(530): Easy_Facebook_Likebox->render_fbfeed_box(Array) #4 /home/.sites/31/site2968/web/wp2018/wp-includes/shortcodes.php(394): Easy_Facebook_Likebox->efb_feed_shortcode(Array, '', 'efb_feed') #5 [internal function]: do_shortcode_tag(Array) #6 /home/.sites/31/site2968/web/wp2018/wp-includes/shortcodes.php(266): preg_replace_callback('/\\[(\\[?)(efb_fe...', 'do_shortcode_ta...', '[efb_feed fanpa...') #7 /home/.sites/31/site2968/web/wp2018/wp-includes/class-wp-hook.php(307): do_shortcode('[efb_feed fanpa...') #8 /home/.sites/31/site2968/web/wp2018/wp-includes/plugin.php(191): WP_Hook->apply_filters('[efb_feed fanpa...', Array) #9 /home/.sites/31/site2968/web/wp2018/wp-includes/post-template.php(253): apply_filters('the_content', '