Below are the prerequisites for the installation of Org Chart:
Start SharePoint 2019/SE Central Administration as administrator on your server. On the SharePoint Central Administration website navigate to Application Management and click on Change site collection administrators in Site Collections section.
Click on the link with site collection address and press Change Site Collection:
Choose the root site collection for the web application that you need to install Org Chart:
Note
Also you may change the web application on this step if needed.
After selection press OK.
Please make sure that you are one of the administrators:
Run SharePoint 2019/SE Central Administration as administrator on your server.
Navigate to Apps -> Manage App Catalog
Just fill in Title, Web Site Address, Primary Site Collection Administrator and click OK. For example:
Title – App Catalog Site
Web Site address – AppCatalog
Primary Site Collection Administrator – Fill in your account name
Start SharePoint 2019/SE Central Administration on your server. On the SharePoint Central Administration website navigate to Application Management and click on Change site collection administrators in Site Collections section.
Click on the link with site collection address and press Change Site Collection:
Choose the app catalog site collection for the web application that you need to install Org Chart:
Note
Also you may change the web application on this step if needed.
After selection press OK.
Please make sure that you are one of the administrators: