
User Already Exists in Bubble.io? Do This
Getting the ugly “this email is already in use” browser alert in your Bubble.io sign up flow? In this Bubble.io tutorial, you’ll learn how to intercept Bubble’s auth error codes, replace default alerts with polished toast notifications, and redirect users from registration to login for a smoother UX. Perfect for no-code founders building team or organisation apps where accounts are pre-created. Want to see the full setup and member-only variations?
What You'll Learn
Upgrade Bubble error UX: Replace Bubble.io’s default browser alerts with custom toast notifications for cleaner, more professional sign up flows.
Handle existing-user signups: Detect the “email already in use” error code and automatically redirect users from registration to the correct login experience.
Design smarter auth flows: Use Bubble.io language settings and unhandled error workflows to support complex team/organisation account scenarios.



















