automation proxy

Hi! I've been trying to add a list of proxies to use in script but nothing seems to work - every time I've added a list of proxies (via text file) I get the message "browser has no data to render: There could be several reasons" and can't access any websites after this step. Any advice on...

I need when I use kameleo or multilogin to get my profiles be ready to use not I have to setup each profile one by one with a proxy and this will take a long time so if there is a proxy company proving automation I hope you tell me Thank you.

I am using Proxy-Cheap.com, but I want to test another proxy provider because I am getting some action blocks (only through Jarvee, my phone can follow fine on the same account which gets a follow block through Jarvee). Budget is not a problem. I just need something high quality that will work...