Fatal error: Uncaught Error: Call to undefined function create_function() in /home/granks/granks.jp/public_html/wp-content/plugins/wordpress-23-related-posts-plugin/init.php:215 Stack trace: #0 /home/granks/granks.jp/public_html/wp-content/plugins/wordpress-23-related-posts-plugin/init.php(235): wp_rp_append_posts(Array, 'wp_rp_fetch_rel...', 6) #1 /home/granks/granks.jp/public_html/wp-content/plugins/wordpress-23-related-posts-plugin/init.php(520): wp_rp_fetch_posts_and_title() #2 /home/granks/granks.jp/public_html/wp-content/plugins/wordpress-23-related-posts-plugin/init.php(97): wp_rp_get_related_posts() #3 /home/granks/granks.jp/public_html/wp-includes/class-wp-hook.php(324): wp_rp_add_related_posts_hook('<p>\xE3\x82\xA2\xE3\x82\xB8\xE3\x82\xB5\xE3\x82\xA4...') #4 /home/granks/granks.jp/public_html/wp-includes/plugin.php(205): WP_Hook->apply_filters('<p>\xE3\x82\xA2\xE3\x82\xB8\xE3\x82\xB5\xE3\x82\xA4...', Array) #5 /home/granks/granks.jp/public_html/wp-includes/post-template.php(256): apply_filters('the_content', '\xE3\x82\xA2\xE3\x82\xB8\xE3\x82\xB5\xE3\x82\xA4\xE3\x81\xAF...') #6 /home/granks/granks.jp/public_html/wp-content/themes/abc/single.php(12): the_content() #7 /home/granks/granks.jp/public_html/wp-includes/template-loader.php(106): include('/home/granks/gr...') #8 /home/granks/granks.jp/public_html/wp-blog-header.php(19): require_once('/home/granks/gr...') #9 /home/granks/granks.jp/public_html/index.php(17): require('/home/granks/gr...') #10 {main} thrown in /home/granks/granks.jp/public_html/wp-content/plugins/wordpress-23-related-posts-plugin/init.php on line 215