question: if there are more than one error list them out . \ nfor example , list out validation errors by each field . \ n concode_field_sep String description concode_elem_sep Long code concode_elem_sep String moreInfo concode_elem_sep String message concode_elem_sep List<ErrorListItemDTO> error concode_field_sep String getMoreInfo concode_elem_sep void setMoreInfo concode_elem_sep void setError concode_elem_sep void setCode concode_elem_sep String getMessage concode_elem_sep String toString concode_elem_sep void setDescription concode_elem_sep void setMessage concode_elem_sep Long getCode concode_elem_sep String getDescription
target: List < ErrorListItemDTO > function ( ) { return error ; }