Fatal error: Uncaught Error: Class 'WP_Taxonomy' not found in /home/users/2/main.jp-junstyle/web/bibouroku/wp-includes/taxonomy.php:426 Stack trace: #0 /home/users/2/main.jp-junstyle/web/bibouroku/wp-includes/taxonomy.php(79): register_taxonomy('category', 'post', Array) #1 /home/users/2/main.jp-junstyle/web/bibouroku/wp-settings.php(264): create_initial_taxonomies() #2 /home/users/2/main.jp-junstyle/web/bibouroku/wp-config.php(82): require_once('/home/users/2/m...') #3 /home/users/2/main.jp-junstyle/web/bibouroku/wp-load.php(39): require_once('/home/users/2/m...') #4 /home/users/2/main.jp-junstyle/web/bibouroku/wp-blog-header.php(13): require_once('/home/users/2/m...') #5 /home/users/2/main.jp-junstyle/web/bibouroku/index.php(17): require('/home/users/2/m...') #6 {main} thrown in /home/users/2/main.jp-junstyle/web/bibouroku/wp-includes/taxonomy.php on line 426