Microsoft teams app failed to open on Share Point sites

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Super Contributor
We are trying to open the Microsoft teams apps with our SharePoint point.
 
But when we try to open it we keep getting an error "You'll need a new app to open this about link"
 
We just installed it yesterday and today and experiencing the same thing. Our share point 365 website is the one experiencing the issue of clicking the URL link and getting "You'll need a new app to open this about link”
 
I have attached a screen shot image to this message.
 
Does anyone have an idea about this issue. 
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