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

https://dibz.me/blog/why-does-reloading-not-fix-a-blocked-by-client-error-1188

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