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Supabase Auth User Not Found

The user does not exist in the database.

Understanding Supabase Auth

Supabase Auth is a powerful authentication provider that simplifies the process of adding user authentication to your applications. It offers a range of features including email/password authentication, social logins, and more, all backed by a scalable database.

Identifying the 'User Not Found' Symptom

When using Supabase Auth, you might encounter an error message stating 'User Not Found'. This typically occurs when attempting to authenticate a user who does not exist in your database.

Common Scenarios

This error can appear during login attempts or when accessing user-specific data. It indicates that the system cannot find a user record matching the provided credentials.

Exploring the 'User Not Found' Issue

The 'User Not Found' error is a clear indication that the authentication process is unable to locate a user with the specified email or username in the database. This can happen due to several reasons, such as the user not being registered or a typo in the credentials.

Root Causes

  • The user has not registered yet.
  • There is a typo in the email or username.
  • The user record was deleted or not properly created.

Steps to Resolve the 'User Not Found' Issue

To address this issue, follow these steps:

1. Verify User Registration

Ensure that the user is registered in your application. You can do this by checking the user list in your Supabase dashboard. Navigate to the Supabase Dashboard, select your project, and go to the 'Auth' section to view registered users.

2. Check for Typos

Double-check the email or username entered during the login attempt. Typos are a common cause of this error. Ensure that the credentials match exactly with what is stored in the database.

3. Use Supabase CLI for Database Queries

If you have access to the Supabase CLI, you can run queries to verify the existence of the user. Use the following command to list users:

supabase auth list-users

This will display all registered users, allowing you to confirm the presence of the user in question.

4. Re-register the User

If the user is not found, guide them through the registration process again. Ensure that they receive a confirmation email and complete the registration.

Conclusion

By following these steps, you can effectively troubleshoot and resolve the 'User Not Found' error in Supabase Auth. For more detailed information, refer to the Supabase Auth Documentation.

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