[Translation from Japanese to English ] Hello. I entered the coupon code you gave me, but I got the message saying, ...

Original text

こんにちは。

私は、あなたからいただいたクーポンコードを入力したのですが
Oh dear. That coupon is invalid.
と表示されて、クーポンコードが使えません。

私はどうしたらいいですか？
ご指示をお願い致します。

Translation / English

Hello.
I entered the coupon code you gave me, but I got the message saying, " Oh dear. That coupon is invalid." I can't use it.
Please tell me what I have to do. Thank you in advance.

Translation / English

Hello.

I tried using the coupon code you have given me, but I got the message "Oh dear. That coupon is invalid."

Could you tell me how I can redeem my coupon?
Kind regards.

Translation / English

Hello.

I entered the coupon code from you and I see the following sign.
"Oh dear. That coupon is invalid."
And I can't use the coupon code.

What should I do?
Please give me advice.

Translation / English

Hi,

I entered the coupon code you sent to me, but it says "Oh dear. That coupon is invalid." leaving me unable to use it.

How can I settle this problem?
It would be very appreciated if you let me know.

Thank you.