I have implemented preview in my nextjs project which is hosted by Vercel. Albeit locally it appears to be working, on Vercel i see that the Preview api endpoint is called twice for each page render. The first time, the page gets correctly rendered, but the second time the Preview endpoint receives …

Hi Peter, I've been working recently to improve the documentation for implementing previews with Next.js and have noticed some strange warnings and errors with the latest versions of Next.js. Although I haven't seen the error you've mentioned here. Can you share with me a screenshot of this issue …

Here is a screenshot from Vercel's preview function log. the log is produced by the code below and in this particular case on a page that has been published. You see the timestamps re timing. All I did was just to open preview once.: [image] import { Client, linkResolver } from "../../prismic-con…

What does your build script in your package.json look like?

Thanks. Are you seeing this error locally or only in production?

Also, are you only seeing this error for unpublished article drafts?

only in Vercel in production. As i said, i see the same error for published and unpublished blogs.

Can you give me a copy of your project so I can investigate further?

Preview in NextJS on Vercel issue

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Preview in NextJS on Vercel issue

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