【PC】Call of Duty:Black Ops 4 #4【CoD:BO4】

[0007 UnnamedPlayer (ﾜｯﾁｮｲ c781-4Hut) 2018/10/12(金) 00:28:30.15 ID:PEDa+47w0]

cdekeyplusで決算しようとしたら

Error occurred:
Please try to contact the merchant:
<b>PayPal response:</b>
TIMESTAMP -> 2018-10-11T15:25:50Z
L_ERRORCODE0 -> 10730
L_SHORTMESSAGE0 -> Shipping Address Postal Code Empty
L_LONGMESSAGE0 -> The field Shipping Address Postal Code is required
L_SEVERITYCODE0 -> Error
ってcdkeyplus側で出たんだけどどうすればいいですか？