I am attempting to set up the Power BI integration in V20 the same way I did it in v14 but currently running into a very vague error when I go to Authorize Azure Service.
"We couldn't connect to Power BI using your Azure AD application registration. Run the Set Up Azure Active Directory assisted setup again, and make sure all the values are set correctly."

I know the Application ID is set correctly along with the secret key.
The App has API Perms: user.read.all, report.read.all, and workspace.read.all.
AL call stack for the error:
"Power BI Embed Setup Wizard"(Page 6327).AadOnpremSetup line 3 - Base Application by Microsoft
"Power BI Embed Setup Wizard"(Page 6327).PerformOperationAfterStep line 4 - Base Application by Microsoft
"Power BI Embed Setup Wizard"(Page 6327).GoToNextStep line 3 - Base Application by Microsoft
"Power BI Embed Setup Wizard"(Page 6327)."ActionNext - OnAction"(Trigger) line 2 - Base Application by Microsoft
"Power BI Report Spinner Part"(Page 6303)."OptInGettingStarted - OnDrillDown"(Trigger) line 13 - Base Application by Microsoft