bug in multisite installation with db prefix

I’m using the latest aiowps with wp 4.2.2 on a multisite installation with a db prefix different than the default one. If i create a new site, wp creates the tables “xx_2_options xx_2_posts” ecc… but it doesn’t create the tables “xx_2_aiowps_login_lockdown” “xx_2_aiowps_login_activity” ecc… this lead to a lot of errors like:

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[Wed Jul 15 16:37:57.037487 2015] [proxy_fcgi:error] [pid 32664] AH01071: Got error ‘PHP message: WordPress errore sul database Table ‘DB.wp_123_2_aiowps_login_lockdown’ doesn’t exist per la query SELECT * FROM wp_123_2_aiowps_login_lockdown WHERE release_date > now() AND failed_login_ip LIKE ‘151.99.189%’ fatta da wp_signon, wp_authenticate, apply_filters(‘authenticate’), call_user_func_array, AIOWPSecurity_User_Login->aiowp_auth_login, AIOWPSecurity_User_Login->check_locked_user\nPHP message: WordPress errore sul database Table ‘DB.wp_123_2_aiowps_login_activity’ doesn’t exist per la query SHOW FULL COLUMNS FROM wp_123_2_aiowps_login_activity fatta da wp_clear_auth_cookie, do_action(‘clear_auth_cookie’), call_user_func_array, AIOWPSecurity_User_Login->wp_logout_action_handler\n’
[proxy_fcgi:error] [pid 32700] (70007)The timeout specified has expired: [client 1.2.8.5:34247] AH01075: Error dispatching request to :, referer: https://url/wp-login.php?redirect_to=https%3A%2F%2Furl%2Fwp-admin%2F&reauth=1
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this error sometimes prevent me to login! so i’ve disabled aiowps.
Anyone knows how to fix it?

regards

https://wordpress.org/plugins/all-in-one-wp-security-and-firewall/