Message in Chinese (Simplified) (中文(简体))
ResourceAssociationSet 的两端不能都具有同一 ResourceType 和 ResourceProperty。如果这是一个自引用关联，应将它表达为其端点之一的 ResourceProperty 为 null 的单向关联。
Unlocalized message
The two ends of a ResourceAssociationSet cannot both have the same ResourceType and ResourceProperty. If this is a self-referencing association, it should be expressed as an unidirectional association with the ResourceProperty on one of its ends be null.
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