Please replace line 795 with:
$customers_query_raw = "select c.customers_id, c.customers_lastname, c.customers_firstname, c.customers_email_address, c.customers_telephone, c.customers_dob, ci.customers_info_date_of_last_logon as last_logon, ci.customers_info_number_of_logons as num_logons, ci.customers_info_date_account_created as date_account_created, a.entry_city as city, a.entry_state as state_alt, z.zone_name as state, ctry.countries_iso_code_2 as country,c.customers_newsletter, a.entry_country_id from " . TABLE_CUSTOMERS . " c left join " . TABLE_ADDRESS_BOOK . " a on c.customers_id = a.customers_id and c.customers_default_address_id = a.address_book_id left join " . TABLE_CUSTOMERS_INFO . " ci on c.customers_id = ci.customers_info_id left join " . TABLE_COUNTRIES . " ctry on a.entry_country_id = ctry.countries_id left join " . TABLE_ZONES . " z on a.entry_zone_id = z.zone_id " . $search . " order by " . $db_orderby . " " . $sort;

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