question: the system id or error number code of the error . concode_field_sep String code concode_elem_sep String message concode_field_sep ErrorDetails withCode concode_elem_sep int hashCode concode_elem_sep void setCode concode_elem_sep boolean equals concode_elem_sep ErrorDetails clone concode_elem_sep String getMessage concode_elem_sep String toString concode_elem_sep void setMessage concode_elem_sep ErrorDetails withMessage
target: String function ( ) { return this . code ; }