Message in Chinese (Simplified) (中文(简体))![](/img/flags/zh-Hans.png)
关联 End 映射指定了一个在当前 AssociationSet 中不存在的 Role <var>X</var>。
Unlocalized message![](/img/flags/en.png)
An association End mapping specifies a Role <var>X</var> that does not exist in the current AssociationSet.
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