[Support request] Blocks break on pasting in links

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  • #1368799

    I’ve got an issue where if I am pasting a link over a highlight bit of text in a paragraph (to turn that highlighted text into a hyperlink) – the block breaks with the error “The block has encountered an error and cannot be previewed”. It is then unrecoverable and can’t be turned into HTML to edit.

    block error

    This has only happened in a recent version of wordpress as I performed this same action all the time before. It’s not a custom block, just a standard paragraph block. GP and Premium are both the latest versions though I do use a child theme I flushed cache to check if this was the issue. Apparently this is a known issue according to WordPress support forums


    “Some non-free themes from paid sources cause minor incompatibility issues with the latest version of the block editor. These can manifest as “This block has encountered an error and cannot be previewed”. Go to where you purchased your theme, and download an update for it. The marketplace where you bought the theme may have an update plugin you should use to keep the theme up to date.”

    Could you take a look at this? Should be easily replicable. Make a new post, start typing in a paragraph block. Copy a URL, then highlight some text in the paragraph and then press paste. I can get around it by clicking the hyperlink and adding but it’s a time waster as if I don’t, I accidentally ruin an entire paragraph of work.

    Customer Support

    Hi there,

    Can you test if the same issue occurs in a twenty series default theme?

    Let me know 🙂


    Unfortunately I can’t revert my live site to the 2020 theme without affecting it as a business and possibly causing issues with switching back. Is there a way you could test an instance?

    Lead Developer
    Lead Developer

    Hi there,

    It definitely shouldn’t be the theme, as it doesn’t interfere with the editor at all. I did a quick test here: https://www.screencast.com/t/nejrekOl

    It could be a plugin or custom function on your site – worth checking out.

    If you need to debug further without affecting your live site, you’d need to create a staging site.

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