Status code 400 received while fetching template

I am trying to create my own custom error 500 page. I originally had errors going over the 1,500,000 character limit. I fixed this and it showed my custom page in the preview page. I tried again and now i get a “Status code 400 received while fetching template from https://www-dev.vivint.com/error/500.html

Any URL I use i get errors. I cant find what this error means. I know the page is accessible. The page itself is not error 400. https://www-dev.vivint.com/error/500.html

http://cloudflarepreview.com/preview-cpage?act=preview&target=cf-error%3A500s&url=https%3A%2F%2Fwww-dev.vivint.com%2Ferror%2F500.html

Any help appreciated any help as to why I get the page with the status code instead of a preview of my page.

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Sorry for the trouble you’re seeing, upon checking, it seems the custom error page is working, but the preview function is broken. This has been escalated to our internal team to investigate.

3 Likes

Same problem here. Any ETA for the fix?

I confirm the same problem.

@cloonan - I am still seeing this issue. Any update on this bug or an ETA on a fix?

I don’t have an eta but do see the team is active on it and testing a fix internally.

1 Like

Same problem here!

Same problem

Custom error preview failed

Status code 400 received while fetching template from https://www--------*

It seems this has been resolved. My preview page is now working for me.

1 Like

I’m receiving a similar error now - Custom error preview failed

Status code 500 received while fetching template from https://artsy-errors.s3.amazonaws.com/cloudflare/cloudflare-500-error.htm

This URL is publicly accessible and returns 200

I suspect that’s a different error than the status 400 and you may want to let support know. I suspect there is syntax used on the page that our collapsify tool does not recognize.

To contact Cloudflare Customer Support, login & go to https://dash.cloudflare.com/?account=support and select get more help.

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