Fatal error: Uncaught Error: Call to a member function add_rewrite_tag() on null in /www/wwwroot/yc396.com/wp-includes/rewrite.php:176 Stack trace: #0 /www/wwwroot/yc396.com/wp-includes/class-wp-post-type.php(722): add_rewrite_tag() #1 /www/wwwroot/yc396.com/wp-includes/post.php(1835): WP_Post_Type->add_rewrite_rules() #2 /www/wwwroot/yc396.com/wp-content/plugins/yc-software-market/includes/class-ycsm-post-types.php(59): register_post_type() #3 /www/wwwroot/yc396.com/wp-content/plugins/yc-software-market/yc-software-market.php(37): YCSM_Post_Types::register() #4 /www/wwwroot/yc396.com/wp-includes/class-wp-hook.php(341): YCSM_Plugin::activate() #5 /www/wwwroot/yc396.com/wp-includes/class-wp-hook.php(365): WP_Hook->apply_filters() #6 /www/wwwroot/yc396.com/wp-includes/plugin.php(522): WP_Hook->do_action() #7 /www/wwwroot/yc396.com/wp-admin/includes/plugin.php(703): do_action() #8 /www/wwwroot/yc396.com/wp-content/mu-plugins/ycsm-activate.php(7): activate_plugin() #9 /www/wwwroot/yc396.com/wp-includes/class-wp-hook.php(341): {closure}() #10 /www/wwwroot/yc396.com/wp-includes/class-wp-hook.php(365): WP_Hook->apply_filters() #11 /www/wwwroot/yc396.com/wp-includes/plugin.php(522): WP_Hook->do_action() #12 /www/wwwroot/yc396.com/wp-settings.php(622): do_action() #13 /www/wwwroot/yc396.com/wp-config.php(96): require_once('...') #14 /www/wwwroot/yc396.com/wp-load.php(50): require_once('...') #15 /www/wwwroot/yc396.com/wp-blog-header.php(13): require_once('...') #16 /www/wwwroot/yc396.com/index.php(17): require('...') #17 {main} thrown in /www/wwwroot/yc396.com/wp-includes/rewrite.php on line 176