Hey there @jry808 thank you for taking the time to get in touch and I am sorry to hear that you have been experiencing difficulties launching For Honor. We recently experienced issues with our services, and I believe this may have had an impact when launching the game. As these issues have now been resolved, could you please check again to see if the error persists?
If you get the error on Ubisoft Connect, can you please try launching the game on Steam instead? Or vice versa?
If you have any questions or run into any other issues, please do not hesitate to let me know.