Our platform has deprecated the previous platform version and only accepts platform version 2.2 and above as mentioned in the error notification.
I will report this issue to the relevant team to make changes to the app and update it in the Solution Article.
This app only requires a change in the manifest.json file to change the platform version from 2.0 to 2.2.
For now, I have updated it and sharing here. Please check if it works fine. FreddyReportingAppFW.zip (7.0 KB)
I am not sure if you are the app developer of this app. This is a possibility that authentication is broken. If the app developer get back to us and create a new topic on this with following details could be helpful to debug further: