[err:数据源标签'PE.DataSource id="infolist" datasource="专题下信息列表" specialid="3" page="true" pagesize="10" urlpage="true" xslt="true" '返回数据错，原因：Root element is missing.，源码：]

{PE.Repeat id="infolist" loop="0"}
• {PE.field fieldname="Title" /} ({PE.field fieldname="UpdateTime" /})
{/PE.Repeat}