Settings tab is blank

HI the settings tab is blank and when I enabled debug. This comes out:

Fatal error: Uncaught Error: Call to undefined function mysql_get_server_info() in /hrdcdir/wordpress/wp-content/plugins/slick-google-map/admin-menu.php:116 Stack trace: #0 /hrdcdir/wordpress/wp-content/plugins/slick-google-map/admin-menu.php(72): sgmp_generate_support_data() #1 /hrdcdir/wordpress/wp-includes/class-wp-hook.php(298): sgmp_settings_callback(”) #2 /hrdcdir/wordpress/wp-includes/class-wp-hook.php(323): WP_Hook->apply_filters(”, Array) #3 /hrdcdir/wordpress/wp-includes/plugin.php(453): WP_Hook->do_action(Array) #4 /hrdcdir/wordpress/wp-admin/admin.php(222): do_action(‘google-map_page…’) #5 {main} thrown in /hrdcdir/wordpress/wp-content/plugins/slick-google-map/admin-menu.php on line 116

Help: WP 4.7.2 PHP 7.0.15