The contract system in its current form is unworthy of any game that passed the beta stage, and it is the most frustrating aspect of the game by far. I have attempted full completion every week, and have only succeeded once. Despite sinking a lot of cash and energy into it.
I have personally run into not one but two major bugs. One halted all progress on tasks; the other prevented rerolling of tasks. I have also seen several tasks requiring completion of missions in sectors I have never seen or heard of. This is a huge oversight.
And that’s just my personal experience with this system. Scrolling through these forums, I see plenty of complaints related to contracts. As a player who’s been with you since Vermintide 1, I can honestly say: you’re better than this, Fatshark!