Power BI Report Not Displaying Visuals

Hello Everyone, 

Hope you're doing well. I was just embedding a Power BI report to a Power Pages Site. I followed every step here:

https://learn.microsoft.com/en-us/power-apps/maker/portals/add-powerbi#power-bi-access-type-consider... 

&

https://learn.microsoft.com/en-us/power-pages/admin/set-up-power-bi-integration 

But i stumbled upon this error after some time. And it's a dead end for me... Can anyone please guide me with this?