Help with Error 1020

You may have already found this,

The firewall protects the site from unwanted traffic, much like in an auto the firewall protects from unwanted heat. But, this ones programmable with a lot of different settings. And, you’ve run afoul of a firewall rule the site owner has set up. The site can block for any number of reason, that’s up to them and not something this Community nor cloudflare can do anything about.