Message in Chinese (Simplified) (中文(简体))
实体类型“<var>Type Name</var>”上定义的名为“<var>X</var>”的关联无效: 仅关联的一侧必须将 IsForeignKey 设置为 true。
Unlocalized message
Association named '<var>X</var>' defined on entity type '<var>Type Name</var>' is invalid: one and only one side of the association must have IsForeignKey set to true.
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