To resolve the "user not found" error both in the Deco My Tree app and website, follow these steps:

1. Verify Your Login Credentials:
Ensure that you are entering the correct email address or username and password. Double-check for typos or case sensitivity in your input.

2. Reset Your Password:
If you suspect your password may be incorrect, go to the login page and look for the "Forgot Password?" link. Follow the prompts to reset your password.

3. Check Your Registration:
Make sure you have registered for an account on Deco My Tree. If you haven't, you will need to create a new account by providing the necessary information.

4. Confirm Account Activation:
If you registered recently, check your email for an activation link. Some platforms require you to activate your account before logging in.

5. Check for Account Lockout:
If you've attempted to log in multiple times with incorrect credentials, your account may be temporarily locked. Wait for a few minutes and try again.

6. Clear App and Browser Cache:
Clearing the cache can resolve various app and login issues:
- For the app: Go to your device settings, find the Deco My Tree app, and select the option to clear cache.
- For the website: Clear the browser cache through your browser settings to eliminate any saved data that could be causing issues.

7. Update the App:
Ensure that you have the latest version of the Deco My Tree app installed. Go to your app store and check for updates.

8. Check Internet Connection:
A stable internet connection is crucial. Ensure you are connected to the internet and that the network is functioning properly.

9. Contact Support:
If the problem persists after trying the above steps, reach out to Deco My Tree support for assistance. Provide them with details about your issue to receive targeted help.

More information on this topic can be found in these resources: - learn more - learn more