递归数据类型 meaning in English

recursive data type

Involves the misrepresentation of a recursive datatype , representing some base cases of the type as null values rather than separate classes
包括递归数据类型的错误表示、将一些类型的基本情况表示为空值而非单独的类。
This bug occurs when your software throws a null - pointer exception , a hard - to - diagnose problem , due to the misrepresentation of a recursive datatype
当您的软件抛出空指针异常时这个错误发生，因为递归数据类型的错误表示，所以这是个难以诊断的问题。