をお間違え

have the wrong

→ を
phrase Rare #39,079
have the wrong A polite expression used to tell someone that they have mistaken something, such as a seat, number, or phone number. It is commonly followed by です, だと思います, or じゃないでしょうか.
JA: 電話番号をお間違えではないでしょうか。
EN: I believe you may have the wrong phone number.

をお間違えじゃないでしょうか

I’m afraid you may be in the wrong seat.

電話番号をお間違えだと思います

I think you have the wrong number.

番号をお間違えです

You have the wrong number.

電話番号をお間違えです

The phone number is incorrect.