帮忙翻译成英文，就一句，别用电脑。

I'm deeply sorry that I caused you problems because of me. I'm truly sorry, anf if you are not able to mail it, please cancle the order

Because of my mistake, that brings you trouble, I am so sorry. And please cancel the transaction if not able to ship it out. Sorry about my mistake again.

Beacause of my mistake, I bring some troubles for you. I am very sorry. If it can't mail, please cancle the tradement, I appologize again!

个人认为k_pang回答的好。