SSO Invalid Provider

Hello, I’m configuring SSO for a project using Better Auth (following the documentation: https://www.better-auth.com/docs/plugins/sso ). After the user logs in via SSO, the callback fails with the following error: Error Code: invalid_provider Error Description: token_response_not_found My provider configuration: providerId: azure OIDC issuer, clientId, clientSecret, endpoints set according to Azure AD Mapping: { id: 'oid', email: 'email', emailVerified: 'email_verified', name: 'name', image: 'picture' } The redirect URI in Azure matches the expected callback path (/api/auth/sso/callback/azure). I’ve checked that the provider registration succeeds and the server is running with the SSO plugin enabled. Could you help me understand why Better Auth fails to recognize the provider at callback?

Single Sign-On (SSO) | Better Auth

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Solution:

There was a incorrect configuration of my app

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