至少需要“发件人"或“发件人"字段之一，但均未找到.如何解决此错误? [英] At least one of the From or Sender fields is required, and neither was found.how to solve this error?

问题描述

hai，

谁能知道....如果让我知道...

为什么我们使用外键和示例来了解外键用法.

在此先感谢...

hai,

Can anyone know this....if let me know pls...

Why we use foreign key and example for understanding the foreign key usage..

thanks in advance...

推荐答案

Google是您的朋友:很好，经常拜访他.与在这里发布问题相比，他可以更快地回答问题.

使用您的错误消息作为搜索词 进行的快速搜索 产生了将近600万次匹配:

Google is your friend: Be nice and visit him often. He can answer questions a lot more quickly than posting them here...

A very quick search using your error message as the search term gave nearly 6 million hits: Google[^]

In future, please try to do at least basic research yourself, and not waste your time or ours.

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