Can't sign in to account
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There are a few common reasons a login may not go through. Review the situations below and follow the steps that match what you’re experiencing to quickly regain access to your account.
Request failed with status code 400: POST https://us-central1-get-senna.cloudfunctions.net/createACToken
Our server is experiencing high load due to a large number of requests, which caused sign-in issues.
We're continuing to improve the service and hope to fully resolve this issue within the next few weeks.
If you experience sign-in issues again during this period, please try signing in again a few hours later (or after 7:00 AM UTC), as the service is expected to recover by then.
You can also continue using UpNote while you're signed out. Any notes that aren't synced will be saved locally and will automatically sync to the server after you sign in again.
Error (auth/firebase-app-check-token-is-invalid)
If you see this error when signing in, please update your app to the latest version and try again.
Go to Settings > Help > Check for updates to update the app, or follow the links below:
If you have more than one UpNote installation on your device, please remove all versions and reinstall a single copy to ensure everything works properly.
Try hovering over the “Sign in with Google/Apple" button and clicking the pop-out icon to open the link in your browser to sign in.

Follow this guide to reset your password.
If you don’t see the password reset email, please make sure you’re using the latest version of UpNote and check your mailbox’s spam or junk folder.
Still need help? Contact us and we’ll assist you further.
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