Try @Romainpi solution, deleting the database.sqlite and restart your app.
Topic summary
Core Issue:
Developers encounter a “no page at this address” error when reinstalling Shopify apps, particularly after uninstalling and reinstalling on development stores or changing app URLs.
Root Cause:
The problem stems from stale session data in the database.sqlite file. When an app is uninstalled while not running, it doesn’t receive the app/uninstalled webhook and fails to remove shop tokens from SESSION_STORAGE. Upon reinstallation, the app detects the shop as already registered but attempts to use outdated tokens, causing Shopify to reject the session.
Primary Solutions:
- Delete session database: Remove the
database.sqlitefile and restart the app before reinstalling - Manual OAuth re-authentication: Visit the app’s OAuth URL directly (format:
https://myapp-domain.com/api/auth?shop=my-dev-shop.myshopify.com) - App name conflict: Change the app name if it matches a previously installed app
Status:
Multiple users confirmed these workarounds resolve the issue, though Shopify support has been investigating the underlying App Bridge-related problem for months without an official fix.