Solved 400 Bad Request Request Header Or Cookie Too Large nginx

[reinhardLibuda]

Since newest version of Vivaldi i cannot get access to my contract data of Vodafone/ Unitymedia. Looking for my invoice or contract-Data I always get :400 Bad Request
Request Header Or Cookie Too Large
nginx
The cookie is large, and my data aren't accessible anymore.
Could you please give a quick solution, because Vivaldi is my main Browser.
It works perfectly with Firefox!

[reinhardLibuda]

Thanks a lot for your help! i did as you proposed, and now it works fine!! Perfect assistance!