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0 Class 'Joomla\CMS\Layout\LayoutHelper' not found

Posted: 10 Apr 2019, 10:22
by jura90
Hi there,
I am currently working on a Joomla (version 3.7.5) website and I just installed Phoca gallery (version 4.3.16) as I need a photo gallery.
My problem is that I get the following error whenever I click on Images or Categories:

0 Class 'Joomla\CMS\Layout\LayoutHelper' not found

The call stack gives the following result:
https://imgur.com/wmNhQ5p

I'm still new to Joomla and don't really know what to make of the callback result. I've already searched for similiar posts but couldn't find any related to that error.
Does anyone have an explanation/solution for that?

Thank you in advance

Julian

Re: 0 Class 'Joomla\CMS\Layout\LayoutHelper' not found

Posted: 10 Apr 2019, 11:06
by christine
Hi,
jura90 wrote: 10 Apr 2019, 10:22 I am currently working on a Joomla (version 3.7.5) website and I just installed Phoca gallery (version 4.3.16)

You have an outdated Joomla version from 2017! So, Codes etc of Phoca Gallery version 4.3.16 (and all other extensions) has been updated to Joomla Core accordingly.

Solution: Update your Joomla Version to the latest one: 3.9.5, as your version missing releases and security releases!
Check also your template, plugins, PHP version etc.

Kind regards
Christine

Re: 0 Class 'Joomla\CMS\Layout\LayoutHelper' not found

Posted: 10 Apr 2019, 11:19
by jura90
Hi Christine,
Oh gosh, that fixed it indeed. For some reason I was absolutely sure it got updated lately...
Thank you very much!

All the best!
Julian

Re: 0 Class 'Joomla\CMS\Layout\LayoutHelper' not found

Posted: 10 Apr 2019, 12:47
by christine
Hi Julian,

that's fine. Thanks for your feedback!
Kind regards
Christine