If you believe Units are missing from your account, our Support Team will be the best equipped to look into things for you. You can reach them from the game's home screen by clicking the gear-shaped icon in the top-left corner of the screen and then scrolling down to the button labeled "Support".
I don't understand how you have absolutely no idea of the original account name unless you bought the account
so someone have ur log in 500u its nothing some lost 9k units in the past