E210为空，但是日志数不为空。

E210 is left blank, except for the journal number.

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确保对应的XML文档不为空。

Make sure that the corresponding XML document is not empty.

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用户名为空，密码不为空。

An empty value for user name and a non-empty value for password.

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用户名不为空，密码为空。

A non-empty value for user name and an empty value for password.

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确保新值不为空。

Ensure that the new value is not empty.

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确保新值不为空。

Ensure that the new value is not empty.

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