Error while trying to click link in upcoming cards

Hello. I found an bug at dashboard. When I try to click on one of my upcoming card there’s error. I checked it and there’s a difference with original link e.g. (
and link after clicking at upcoming card:
Difference is an “/” between deck and board.
I hope I helped
Error is on version 21.0.0 and 21.0.1
Yo ho!