Hello, When I first created a dropbox app, my redirect_uri was http://localhost:4200/. Everthing was working fine and I continued to develop the application, then I needed to updated the redirect_uri, I changed it to http://localhost:4200/third-party-redirect/ and https://3e0cecfb.ngrok.io/third-party-redirect. After updating, I am not able to authenticate my users anymore. I am getting this error Invalid redirect_uri. It must exactly match one of the redirect URIs you've pre-configured for your app (including the path). I f I revert back to the old redirect_uri, http://localhost:4200/ then everything is working fine. How can I update the redirect_uri ?
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