请帮助翻译下面一句话

Just like what we talked through the phone before,please read the article(PR) of the attachment conscientious and understand the reason of it,make sure the same problem don't occur twice.

The same situation we comunicated on the phone a moment ago, please read careful about the artical of PR that has been alteration, confirm the how it was caused, the same problem should not happen another time.

as we spoken on the phone, please take seriously to read the PR essay
which has been modified in the attach file, and make clear about the
reason of mistake, do not make the same mistake second time on it