ERR_BLOCKED_BY_CLIENT means your browser blocked something like a pop-up, ad,...

https://city-wiki.win/index.php/How_Do_I_Stop_a_Content_Blocker_from_Breaking_Login_Pages%3F

ERR_BLOCKED_BY_CLIENT means your browser blocked something like a pop-up, ad, or script. To fix it, try opening the page in private mode to see if it works there. If it does, check your extensions and disable any that might be blocking content