If you are experiencing an Authentication Error, please note that this error is triggered by the platform's device authentication feature, which is implemented as a security measure to ensure the integrity of the app.
*This issue may vary depending on your device environment.
To resolve this issue, please try the following steps
■Please ensure that your device's date and time match your local time.
If your device's time settings are incorrect, it may cause authentication issues. Please adjust the date and time settings on your device to match your local time
▼Google Play Help
Set time, date, & time zone
▼Apple Support
If you can't change the time or time zone on your Apple device
For Android devices, please try the following steps.
■Google Play Help Please check and fix Play Protect certification status
1. Open the Google Play Store app
2. At the top right, tap the profile icon.
3. Tap Settings > About > Play Protect certification
4. Please follow the instructions should "Fix device issue" appears.
■Other devices
If you have another device, you may consider playing on a different device for now.