To resolve the issue of not being able to select any category in YPT after creating your account, follow these steps:

1. Check Application Permissions: Ensure that the YPT app has the necessary permissions on your device. Go to your device settings, then find the YPT app, and check under "Permissions." Make sure that it has access to storage, and any other relevant permissions that may affect functionality.

2. Restart the Application: Close the YPT app completely. Ensure it is not running in the background, then reopen it. This simple action can often fix minor glitches.

3. Clear App Cache: Navigate to your device’s settings, find the YPT app, and clear its cache. This can remove corrupted data that may be causing the display issue.

4. Re-login to Your Account: Log out of your YPT account and log back in. Sometimes, simply re-authenticating can resolve issues with missing elements on the screen.

5. Check for App Updates: Ensure that you are using the latest version of the app. Go to the Google Play Store, search for YPT, and check if there is an update available. If there is, install it.

6. Change Region Settings: If the app supports multiple regions, switch your region in the app’s settings. Sometimes selecting a different region can refresh the available categories.

7. Consult the User Manual: Refer to the user manual available on Reddit for further guidance. It provides insights on key functionalities, which may help troubleshoot the issue - learn more.

8. Seek Help from Community Forums: If the problem persists, consider seeking help on community forums specific to YPT. Discussing the issue with other users might reveal workarounds or solutions that are not widely known - learn more.

9. Contact Support: If none of the above steps work, reach out directly to YPT support for assistance. They may be able to provide you with a specific solution based on your account and device info.

By following these steps, you should be able to troubleshoot the issue with category selection in the YPT app. If you require additional help or specifics, feel free to ask.