User is getting an error when trying to add the Custom Chart community application to a custom page. When pushing the "add" button for the application, the following error appears "Your subscription administrator may enable community apps in the subscription settings."
The reason the application is receiving the error message is because "Community Apps" are not turned on in the Subscription. Here is a link explaining how Subscription Administrators can turn on community apps:
For this particular community application, there was also a GitHub option for the application.
In order to install it the GitHub version of this application, perform the following steps:
See this video for a walkthrough on adding a custom app