Message in Chinese (Simplified) (中文(简体))
函数“<var>Function Name</var>”中参数“<var>X</var>”的类型无效。聚合函数参数类型必须为 CollectionType。
Unlocalized message
Type of parameter '<var>X</var>' in function '<var>Function Name</var>' is not valid. The aggregate function parameter type must be of CollectionType.
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