Can't withdraw

I can’t withdraw with zingpay.

( Transaction was not successful
We’re sorry but the ZingPay account provided appears in our records under another customer account . Customers are limited to one active customer account at our site. To allow this ZingPay account to be used with your login, please contact Customer Services. If you require any assistance with your account, please contact Customer .)
But when I’m making a deposit with method it approved