Is there a known server-side issue on DeviantArt that's causing 403 errors?

While less common, DeviantArt can experience server-side issues that lead to 403 errors. Check DeviantArt's official status page (if they have one) or their official social media channels (Twitter, etc.) for any announcements regarding server outages or problems. You can also search online forums and communities to see if other users are reporting similar issues, which could indicate a widespread problem.