close your span tag. As you have open tag and missing closing tag
<div style="width: 160px; display: block;">
<span>
Text - Company / Institute Name*
<span title="Company or Institute name is required" class="error" for="textintName" generated="true">
Text - Company or Institute name is required
Text - Empty Text Node
<input name="InstName" class="error" id="textintName" maxLength="200" default-title="Company or Institute name is required."/>