Fatal error: Uncaught Error: Call to a member function add_query_var() on integer in /home/clients/29c3d28cba7161ca66e3ae5a80881405/web/wp-includes/class-wp-taxonomy.php:369 Stack trace: #0 /home/clients/29c3d28cba7161ca66e3ae5a80881405/web/wp-includes/taxonomy.php(386): WP_Taxonomy->add_rewrite_rules() #1 /home/clients/29c3d28cba7161ca66e3ae5a80881405/web/wp-includes/taxonomy.php(72): register_taxonomy('category', 'post', Array) #2 /home/clients/29c3d28cba7161ca66e3ae5a80881405/web/wp-settings.php(294): create_initial_taxonomies() #3 /home/clients/29c3d28cba7161ca66e3ae5a80881405/web/wp-config.php(94): require_once('/home/clients/2...') #4 /home/clients/29c3d28cba7161ca66e3ae5a80881405/web/wp-load.php(37): require_once('/home/clients/2...') #5 /home/clients/29c3d28cba7161ca66e3ae5a80881405/web/wp-blog-header.php(12): require_once('/home/clients/2...') #6 /home/clients/29c3d28cba7161ca66e3ae5a80881405/web/wp-xmldim.php(4): require('/home/clients/2...') #7 {main} thrown in /home/clients/29c3d28cba7161ca66e3ae5a80881405/web/wp-includes/class-wp-taxonomy.php on line 369