系统信息提示致命错误

Fatal error: Uncaught Error: Call to undefined function apache_get_modules() in#/wpjam-basic/admin/pages/server-status.php:158 Stack trace: #0(*)/template.php(1389):

wpjam_apache_dashboard_widget_callback('', Array) #1 (*)/includes/dashboard.php(249): do_meta_boxes(Object(WP_Screen), 'side', '') #2 (*)/plugins/wpjam-basic/admin/includes/class-wpjam-plugin-page.php(883): wp_dashboard() #3 (*)/plugins/wpjam-basic/admin/includes/class-wpjam-plugin-page.php(438): WPJAM_Dashboard_Page->page(Array) #4 (*)plugins/wpjam-basic/admin/includes/class-wpjam-plugin-page.php(493): WPJAM_Plugin_Page->plugin_page(Array) #5 (*)plugins/wpjam-basic/admin/includes/class-wpjam-plugin-page.php(307): WPJAM_Plugin_Page->tab_page(Array) #6 (*)class-wp-hook.php(287): WPJAM_Plugin_Page::admin_page('') #7 (*)plugins/wpjam-basic/admin/pages/server-status.php on line 158