https://community.esri.com/t5/arcgis-experience-builder-questions/cannot-read-properties-of-null-reading-name-error/m-p/1104330#M2891 <P>We are running ArcGIS Enterprise 10.9 in our organization and we have developed on GIS application using experience builder. Most of the time it runs fine and suddenly sometimes it will display.&nbsp;Cannot read properties of null (reading 'name') error. It is creating a lot of problems as management is viewing this application. Could you help me why this error keep coming. How can I fix it.</P><P>One fix which i tried is restarting portal and arcgis windows services and this errors goes away. But we cannot keep doing this.</P><P>I have tested on Chrome and Edge. Same error.</P> Mon, 04 Oct 2021 08:38:39 GMT AhmedAlNuaimi 2021-10-04T08:38:39Z https://community.esri.com/t5/arcgis-experience-builder-questions/cannot-read-properties-of-null-reading-name-error/m-p/1104330#M2891 <P>We are running ArcGIS Enterprise 10.9 in our organization and we have developed on GIS application using experience builder. Most of the time it runs fine and suddenly sometimes it will display.&nbsp;Cannot read properties of null (reading 'name') error. It is creating a lot of problems as management is viewing this application. Could you help me why this error keep coming. How can I fix it.</P><P>One fix which i tried is restarting portal and arcgis windows services and this errors goes away. But we cannot keep doing this.</P><P>I have tested on Chrome and Edge. Same error.</P> Mon, 04 Oct 2021 08:38:39 GMT https://community.esri.com/t5/arcgis-experience-builder-questions/cannot-read-properties-of-null-reading-name-error/m-p/1104330#M2891 AhmedAlNuaimi 2021-10-04T08:38:39Z https://community.esri.com/t5/arcgis-experience-builder-questions/cannot-read-properties-of-null-reading-name-error/m-p/1106216#M2936 <P>Hi&nbsp;<a href="https://community.esri.com/t5/user/viewprofilepage/user-id/375976">@AhmedAlNuaimi</a>&nbsp;,&nbsp;</P><P>Could you please provide some details on this issue so we can target the cause? Sample app / data that can reproduce the error would be great. If you could not provide a reproducible sample, the screenshots of console error could help as well.&nbsp;</P> Sat, 09 Oct 2021 08:27:02 GMT https://community.esri.com/t5/arcgis-experience-builder-questions/cannot-read-properties-of-null-reading-name-error/m-p/1106216#M2936 DanJiang 2021-10-09T08:27:02Z