Message in Chinese (Traditional) (中文（繁體）)
您嘗試移除 <var>X</var> 和 <var>Y</var> 之間的關聯性。但是，其中一個關聯性的外部索引鍵 (<var>Z</var>) 不可設定為 null。
Unlocalized message
An attempt was made to remove a relationship between a <var>X</var> and a <var>Y</var>. However, one of the relationship's foreign keys (<var>Z</var>) cannot be set to null.
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