Whenever I try to access my local Sitecore instance in the Pages editor, it shows an error: Connection to rendering host http://rendering:3000/api/editing/render failed with the following error: The remote server returned an error: (500) Internal Server Error

And when I check the rendering host, via the PUBLIC_URL or by running curl http://rendering:3000 in the CM container’s terminal, it shows this error:

TypeError: fetch failed
at Object.processResponse

Has anyone encountered this as well?

1 Answer 1


It could be related to HTTP binding. See if it works for you.

This happened because the URL in SITECORE_API_HOST in my .env file was using an HTTPS connection. When I added an HTTP binding to my site and changed the URL to HTTP it worked.

Credit: Guide To Fixing Setup Errors: Sitecore Headless SXA, Next.js, XM Cloud Dev

Hope it help!

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