Message in Chinese (Traditional) (中文(繁體))
MC3089: 物件 '<var>Object Name</var>' 已有子系,且無法新增 '<var>X</var>'。'<var>Object Name</var>' 只能接受一個子系。
Unlocalized message
MC3089: The object '<var>Object Name</var>' already has a child and cannot add '<var>X</var>'. '<var>Object Name</var>' can accept only one child.
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