Getting Consistent Errors on First Day Using Sanity - Demo Also Failing

I'd be happy to help you troubleshoot this! Since you mentioned you've attached a photo but I can't see it in this format, I'll cover the most common issues people encounter when first starting with Sanity.

First, check the Sanity Status Page to make sure there aren't any ongoing service issues today. This is always a good first step when experiencing problems.

Most Common Issue: CORS Configuration

The most frequent problem new users encounter is related to CORS (Cross-Origin Resource Sharing) origins not being configured. This typically shows up as errors like:

• "No 'Access-Control-Allow-Origin' header is present"
• "Blocked by CORS policy"
• "Access-Control-Allow-Credentials must be 'true'"

Here's how to fix it:

1. Go to manage.sanity.io
2. Select your project
3. Navigate to Settings → API → CORS Origins
4. Add your domain (for local development, add http://localhost:3000 or whatever port you're using)
5. Important: Check the "Allow credentials" box if you're using authentication tokens

Make sure to include the full URL with protocol (http:// or https://) - they need to match exactly. Even the difference between http:// and https:// matters!

Other Common First-Time Issues:

• Authentication: Make sure you're logged in by running sanity login in your terminal
• Node.js version: Sanity Studio v4 requires Node.js 20 or higher
• Missing dependencies: Try running npm install or yarn install again
• Project configuration: Verify your sanity.config.ts or sanity.json has the correct project ID and dataset name

If you can describe the specific error message you're seeing (or paste the text from the error), I can give you more targeted help! Common error messages usually point directly to the solution.

For the demos on the website, if those are also failing, it's most likely a CORS issue with your browser, a network/firewall restriction, or potentially a service issue (hence checking the status page first).

Welcome to Sanity - once you get past this initial hurdle, you'll find it's a really powerful platform! 🎉