Appian Step-by-Step #8 Update the Summary View Interfacehttps://community.appian.com/discussions/f/general/38771/appian-step-by-step-8-update-the-summary-view-interfaceHi everyone, I&#39;m encountering an error while trying to display user information in a grid column inside an interface. I have attached the code and error. I would appreciate help in order to fix this.en-USTelligent Community 12RE: Appian Step-by-Step #8 Update the Summary View Interfacehttps://community.appian.com/thread/146567?ContentTypeID=1Tue, 25 Mar 2025 18:44:13 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:5bb76637-54a3-43db-9221-24270b435c79VarunTejaGurrapu<p>Hi <a href="/members/sairas294611">sairas294611</a>&nbsp;,<br /><br />The username in the field isn&#39;t present in the system only. That&#39;s the reason it returned InvalidUserException.<br /><br />Kindly Recheck whether the user is in system, if not present give any Username as default value to handle this exception.</p><div style="clear:both;"></div>