With a hotfix to the game earlier, we fixed an issue where players who swapped Covenants could not display the first chapter of their new campaign as complete after completing the quests.
We applied another hotfix this evening for players who changed Covenants and chose to skip the tutorial quests that ordinarily would have awarded 5 Souls. A few players were likely in a state where there was not a way to gain any Souls until next week, and those players should now be able to log out, log back in, and visit your Sanctum to receive 5 Souls and proceed.