need help . log in bug

My friend (GT: Obsediadon) on Xbox
can't join the game with one char.

the char name is: TASTTWICE

he need help

Below are the methods I tried, but none of them resolved the issue.

-Created a new character and played for several hours
-Played in local co-op mode using two controllers
-Changed the gateway
-Changed the language
-Verified game files via Steam
-Reinstalled the game
-Cleared the game cache
-Originally played via Steam, but also tried using the standalone launcher
-Followed all suggestions from the official troubleshooting guide
-Changed the hideout
-Changed purchased MTX (cosmetic skins)
-Opened a new portal with a different character
-Updated the NVIDIA driver
-Deleted cache files
-Deleted shader files
-Switched shaders
-Changed shader cache size

+1