Permission denied upon uploading an image

[droidus]

Attempted Debugging

• I have read the debugging page

Searched GitHub Issues

• I have searched GitHub for the issue.

Describe the Scenario

I am trying to upload an image to a bookstack page. It fails, saying "An error occurred uploading the image".

Exact BookStack Version

25.11.6

Log Content

[2026-01-24 14:16:30] production.ERROR: Error when attempting image upload:Unable to create a directory at /var/www/bookstack/public/uploads/images/gallery/2026-01.

Hosting Environment

Ubuntu 24.04, using official install script.

[ssddanbrown]

Hi @droidus,

It sounds like the application might not have the required permissions to create content in the expected image upload location.

You can try following our guidance on this page to reset the file/folder permissions to what would make things work:
https://www.bookstackapp.com/docs/admin/filesystem-permissions/