automatic settlement ( have an option not)then, debiting your account twice could be a system error...which sometimes happen to all banks. That's why it's always advised to double check the statements.And in the instance that your account is debited twice it's impossible to go to "someone" else's pocket... not to the bank or to any bank staff's but to the card associations (Visa and Master) account as the bank is only the issuer of these payment cards.