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#4936 Class "EventgalleryLibraryCommonModule" not found

Posted in ‘Event Gallery Extended’

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PHP Version

8.3

Joomla Version

5.3.3

Event Gallery Version

5.6.0

Test URL

www.robertoandreasi.com

Latest post by Vinnie on Saturday, 20 December 2025 19:40 UTC

Monday, 15 December 2025 22:16 UTC

Vinnie

Hello,

if I update Event gallery from 5.5.1 to 5.6.0 my syte return an error:

404

Class "EventgalleryLibraryCommonModule" not found

I rolled back to 5.5.1 and it works again.

What I should to do?

Thank you so much and best regards.

Roberto

Tuesday, 16 December 2025 05:31 UTC

sbluege

Hi,

Try to install again. I'm guessing at least one file was missing during the install process.

How did you do the rollback? The installer should actually prevent installing an old version if there are differences in the database schema.

Friday, 19 December 2025 14:08 UTC

Vinnie

I rolled back using backup/restore application of my host provider.

Restoring procedures restores:

files, database etc.

Edited by Vinnie on 2025-12-19 14:08 UTC

Saturday, 20 December 2025 06:19 UTC

sbluege

Please try to update again. If you see this kind of error, first try to install the package manually. That once happened to me for another component. For unknown reasons, a file in the installation process was missing or an update was not made correctly.

If you want to gain some safety, you can try to update on your test system first.