Database Connection Error
The application cannot connect to your Firebase Realtime Database because of a “Permission Denied” error. This means your database security rules are blocking access.
To fix this, please follow these steps:
- Go to your Firebase project console.
- In the left menu, click on Build > Realtime Database.
- Click on the Rules tab at the top.
- Replace the existing rules with the following code to allow access for testing:
{
"rules": {
".read": "true",
".write": "true"
}
}5. Click the Publish button. The POS system should start working immediately after a refresh.
Note: These rules are for development purposes. For a production app, you should configure more secure rules.
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