Hi jrf,
Update
After uncheck the checkbox enabling tracking that my server error log still have error shown as below:
"[14-Jul-2013 17:34:59 UTC] WordPress database error Table 'xxxxx.xxx.wp_users' doesn't exist for query SELECT COUNT(*) FROM wp_users INNER JOIN wp_usermeta ON (wp_users.ID = wp_usermeta.user_id) WHERE 1 = 1 AND ( wp_usermeta.meta_key = 'wp_1_capabilities' ) made by do_action_ref_array, call_user_func_array, Yoast_Tracking->tracking"