We know that some of you could not log into Xbox and received error messages. Unfortunately, this problem is related to Xbox and Windows 10. In order to resolve it, please try the following steps:
1) Quit the game. Select the Start button ---> Settings ---> Accounts, then find the Microsoft account you used to sign into the Xbox app and select "Remove." Then go back to the Xbox app and sign in with the Microsoft account you just removed. Launch the game again.
2) Try to register for a new Xbox Live account and use this account to sign into the Xbox app and Asphalt Legends UNITE.
3) You can also check out a few solutions on the Internet: https://www.kapilarya.com/we-cant-sign-you-in-right-now-try-again-later-xbox-app-windows-10
If none of these steps help, please contact Microsoft Support.
To contact Microsoft Support quickly, please visit this link: https://support.microsoft.com/en-us/contactus/ and follow the instructions on the site.