The First Descendant: Login Error Fix

Facing Login Issues? Here's How to Resolve Them

If you encounter the login error "Your details are incorrect or aren't in our system yet," try the following steps:

Double-check your login credentials for accuracy.
Ensure that you have a stable internet connection.
Restart the game and try logging in again.
If using Bitdefender, disable Advanced Threat Detection (ATD) in System Protection settings.
Contact support for further assistance if the issue persists.

By following these steps, you should be able to resolve the login error and access The First Descendant.