https://community.esri.com/t5/developers-questions/appstudio-designer-shows-error-dialog/m-p/1202923#M6320 <P>I am new to AppStudio.</P><P>Just upgrade to&nbsp;AppStudio_x64_5_4_96 in Windows and logged in to via AppStudio.</P><P>&nbsp;</P><P>The following are my steps to create the error:</P><P>1. Edit the Show Legend sample app in Qt Creator.</P><P>2. Open myApp.QML in the editor</P><P>3. Click at the Designer button to open designer</P><P>&nbsp;</P><P>I got the attached.</P><P>Is there something wrong in the sample?</P><P>I have same error in several sample apps.</P><P>Is there something I need to do before I can play with the app in terms of the source code and designer?&nbsp; Sample apps running locally.</P><P>&nbsp;</P><P>Thomas</P><P>&nbsp;</P> Mon, 15 Aug 2022 16:05:41 GMT arcgisdev007 2022-08-15T16:05:41Z https://community.esri.com/t5/developers-questions/appstudio-designer-shows-error-dialog/m-p/1202923#M6320 <P>I am new to AppStudio.</P><P>Just upgrade to&nbsp;AppStudio_x64_5_4_96 in Windows and logged in to via AppStudio.</P><P>&nbsp;</P><P>The following are my steps to create the error:</P><P>1. Edit the Show Legend sample app in Qt Creator.</P><P>2. Open myApp.QML in the editor</P><P>3. Click at the Designer button to open designer</P><P>&nbsp;</P><P>I got the attached.</P><P>Is there something wrong in the sample?</P><P>I have same error in several sample apps.</P><P>Is there something I need to do before I can play with the app in terms of the source code and designer?&nbsp; Sample apps running locally.</P><P>&nbsp;</P><P>Thomas</P><P>&nbsp;</P> Mon, 15 Aug 2022 16:05:41 GMT https://community.esri.com/t5/developers-questions/appstudio-designer-shows-error-dialog/m-p/1202923#M6320 arcgisdev007 2022-08-15T16:05:41Z