Fatal Error on Login. authToken cannot be empty

Partner Rank:
1

Partner Team Reporting:

Syclone Studios

Verification builds:
1.18.20.0

Summary:
When the player attempts to log in to their MS account, they encounter a fatal error and the game refuses to load for them from that point on.

Impact:
Player is unable to access the game.

Repro Steps:

1. Download dev build version 1.18.20.0
2. Login to game normally until game tries to sign into MS account

Observed Results:

Player receives fatal error, unable to play the game at all.

Expected Results:

Player should be able to log in to the game an access it normally.

Screenshots/Videos attached:

 

Regression Build:

1.17.3025.0

 

Notes: