PCNA: Crusader Class Changes to Guardian fter Phase

Time: Usually when phase changes (Teleport to a friend in another server phase) but happened after restarting the game too.
Game Details: PC NA. Fresh install after new update. Windows 10 x64.
Character Details: llls1cKb0ylll Ego:50 PR: 3900 Crusader Class Level 1
Expected Outcome: Crusader Class not changing to Guardian or any other class
Observed Outcome: Crusader Class automaticaly changes to Guardian Class after changing server phase/restarting game.
Repro Steps: Change phase/restart game with Crusader Class equiped.
Image/Video Documentation: https://www.youtube.com/watch?v=8K1Ta4Ac_cI