Fatal error: Uncaught Error: Call to undefined method WP_Error::enable_order_by_date() in /Customer_web_sites/johnjohnston/public_html/blog/wp-content/plugins/rss-via-shortcode-on-page-post/rss-via-shortcode.php:23 Stack trace: #0 /Customer_web_sites/johnjohnston/public_html/blog/wp-includes/shortcodes.php(343): SLB_rss_sc(Array, '', 'rssonpage') #1 [internal function]: do_shortcode_tag(Array) #2 /Customer_web_sites/johnjohnston/public_html/blog/wp-includes/shortcodes.php(218): preg_replace_callback('/\\[(\\[?)(rssonp...', 'do_shortcode_ta...', '<p>I just read ...') #3 /Customer_web_sites/johnjohnston/public_html/blog/wp-includes/class-wp-hook.php(292): do_shortcode('<p>I just read ...') #4 /Customer_web_sites/johnjohnston/public_html/blog/wp-includes/plugin.php(212): WP_Hook->apply_filters('<p>I just read ...', Array) #5 /Customer_web_sites/johnjohnston/public_html/blog/wp-includes/formatting.php(3823): apply_filters('the_content', 'I just read thi...') #6 /Customer_web_sites/johnjohnston/public_html/blog/wp-includes/cla in /Customer_web_sites/johnjohnston/public_html/blog/wp-content/plugins/rss-via-shortcode-on-page-post/rss-via-shortcode.php on line 23