This is a forum of players of the game. It's not nordeus "help on line".
Yes, I was sarcastic but I wasn't unfriendly or else I wouldn't give you an answer.
The problem is that most of the people posting the question (about their problem) without looking anything else

no guides
no previous posts
not using the "advanced search" button, in the upper right corner - it's so simple, you put the word "contract" and you 'll have 10-20 results, many of them with useful things.