Fatal error: Uncaught Error: Call to undefined function CustomFacebookFeed\wp_json_encode() in /var/www/koleteknik.dk/public_html/seekings/plugins/custom-facebook-feed-pro/inc/CFF_Utils.php:1043 Stack trace: #0 /var/www/koleteknik.dk/public_html/seekings/plugins/custom-facebook-feed-pro/inc/CFF_Shortcode.php(3073): CustomFacebookFeed\CFF_Utils::cff_json_encode(Array) #1 /var/www/koleteknik.dk/public_html/seekings/plugins/custom-facebook-feed-pro/inc/CFF_Shortcode_Display.php(51): CustomFacebookFeed\CFF_Shortcode->cff_get_post_set_html(Array, Array, Array) #2 /var/www/koleteknik.dk/public_html/wp-includes/shortcodes.php(307): CustomFacebookFeed\CFF_Shortcode_Display->display_cff(Array, '', 'custom-facebook...') #3 [internal function]: do_shortcode_tag(Array) #4 /var/www/koleteknik.dk/public_html/wp-includes/shortcodes.php(216): preg_replace_callback('/\\[(\\[?)(embed|...', 'do_shortcode_ta...', '<h2 style="bord...') #5 /var/www/koleteknik.dk/public_html/seekings/plugins/js_composer/include/helpers/helpers.php(234): do_shor in /var/www/koleteknik.dk/public_html/seekings/plugins/custom-facebook-feed-pro/inc/CFF_Utils.php on line 1043