Access denied with code 1020 when fetching images

Cloudflare says my IP might be in site's blacklist but I haven't visited Danbooru for weeks.
Here is the Ray ID: 757bb0502fce0a9e

I had to ban or restrict certain IPs because some people were scraping the website too aggressively and it was using up all our bandwidth. I see you're using a proxy; try using a different one.