Title: Problem with theme – Error uploading files
Last modified: September 10, 2025

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# Problem with theme – Error uploading files

 *  [pozoalcon](https://wordpress.org/support/users/pozoalcon/)
 * (@pozoalcon)
 * [9 months ago](https://wordpress.org/support/topic/problem-with-theme-error-uploading-files/)
 * Hi.
 * We’ve detected an error on several websites, hosted on different servers, that
   prevents files from being uploaded to the WordPress media library. In all cases,
   deactivating the Phlox Core Elements plugin resolves the issue. Additionally,
   the Site Health section displays the critical error seen in this screenshot: 
   [https://prnt.sc/gDwDyoh8hrlE](https://prnt.sc/gDwDyoh8hrlE). Clicking on “How
   to Fix” takes you to the page: [https://docs.phlox.pro/article/240-managing-license#activate-license](https://docs.phlox.pro/article/240-managing-license#activate-license),
   which explains how to activate the license. However, we’re using the free version
   of Phlox. This is very unusual.
 * Thank you.

The topic ‘Problem with theme – Error uploading files’ is closed to new replies.

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 * 0 replies
 * 1 participant
 * Last reply from: [pozoalcon](https://wordpress.org/support/users/pozoalcon/)
 * Last activity: [9 months ago](https://wordpress.org/support/topic/problem-with-theme-error-uploading-files/)
 * Status: not resolved