When trying to upload an image to the Mosaico editor I get an internal server error and the image doesn't appear in the template nor in the gallery.

However, when I check the upload folder the image has actually been uploaded. Also, when I compose a traditional mail I can see the images in the KC Finder. Imagick is present on my server.

Any idea how to fix this?

1 Answer 1


I have the exact same problem & eventually just gave up on it. It must have to do with file permissions and the settings configuration, but I couldn't get anything to work.

Out of curiosity, who's hosting your site?

  • Siteground. They were very helpful configuring Imagick, but this didn't dolve the problem.
    – Hugo C
    Mar 11, 2020 at 9:29
  • OK, then we're onto something. I'm also with Siteground . . . it must have something to do with the way they organize the filespace on the virtual servers. Or something . . .
    – mc_burger
    Mar 11, 2020 at 9:47
  • Also check your .htaccess file to ensure the image directory is accessible. Apr 11, 2020 at 23:20
  • All my issues regarding Mosaico images and placeholders seem to have been solved after upgrading to Mosaico 2.5.
    – Hugo C
    Aug 25, 2020 at 12:07

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