A user reported a problem related to the $wp_default_secret_key at pt_BR.php. This person says that when he updates his sites he can’t access the admin panel and get a message: “You do not have sufficient permissions to access this page.”. Deleting this file fixes the problem. What’s wrong here? The variable value in brazilian portuguese is the same in the wp-config.php file. So I guess it shouldn’t be a problem. could somebody help us, please?