Message in Chinese (Simplified) (中文(简体))
无法添加流升级元素“<var>X</var>”。绑定“<var>Y</var>”中已经存在另一个流升级元素。每个绑定只能有一个流升级元素。
Unlocalized message
Cannot add stream upgrade element '<var>X</var>'. Another stream upgrade element already exists in the binding '<var>Y</var>'. There can only be one stream update element per binding.
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