Hi, I have just updated K2 2.6.0 running on joomla 2.5.7. When I click on the k2 item tab in the admin area I get the following error:

Fatal error: Call to a member function categoriesTree() on a non-object in /home/a3rd02/public_html/find-design.co.za/administrator/components/com_k2/views/items/view.html.php on line 124

On the front end I get a 404 error when I try to view any K2 category or item. Is there any solution for this.

Thanks

OK I have updated to version 2.6.1 hoping that the bugs had been resolved, but it is still the same and my entire website is now un-usable. Here is line 124:

$categories = $categoriesModel->categoriesTree(NULL, true, false);

Anyone have any ideas on why this happens on the update. I have also updated the mini k2 module as suggested elsewhere in the forum

Thanks

Fatal error: Call to a member function categoriesTree() on a non-object in /home/public_html/sites/test/administrator/components/com_k2/views/items/view.html.php on line 124

Hi

I have the same problem. The problem appears on the site which I K2mart. On other sites without K2mart problem is gone.

Thanks, you are right I just removed K2mart and now I can access the items in the admin area. The problem I still have is when trying to view the item on the frontend. Every item gives a 404 Not Found
The server can not find the requested page:. I am in the process of moving my domains to a new host, but I am not sure if this has anything to do with it?

@Sebastian van Greunen

If you are using K2 multiple images plugin then probably that is causing your issue. There is another thread on this forum regarding this issue. Just update the plugin to it's latest stable version.

I'm not using k2 multiple images and I have exact the same problem.

I'm also using k2mart.

I've used var_dump to check out the categoriesModel and it seems that the system can't find the K2ModelCategories class:


$categoriesModel = K2Model::getInstance('Categories', 'K2Model');

But it is present in the file:

/administrator/components/com_k2/models/categories.php

What causes this error?

This problem occurs in a lot of places since the update, for a lot of models.

Here is some debug output that I produced from the find (path, file) function:

Path fail trying to find |extrafield.php| ... in: Array (
[0] => Joomla\components\com_k2\models
[1] => Joomla\components\com_k2\models )

(It's looking in the same place twice, which is interesting)

The model php file that I'm looking for exists in administrator/components, but not in the front end site components folder structure.

--edited--

I've added the 'administrator' model location to the include path.

to line 17 of Joomla/administrator/components/com_k2/models/item.php, add
JModel::addIncludePath(JPATH_COMPONENT_ADMINISTRATOR.DS.'models', 'K2Model');

$ git diff Joomla/administrator/components/com_k2/models/item.php
diff --git a/Joomla/administrator/components/com_k2/models/item.php b/Joomla/administrator/components/com_k2/models/item.php
index 068f283..64afb2c 100644
--- a/Joomla/administrator/components/com_k2/models/item.php
+++ b/Joomla/administrator/components/com_k2/models/item.php
@@ -14,6 +14,9 @@ jimport('joomla.application.component.model');

JTable::addIncludePath(JPATH_COMPONENT.DS.'tables');

+JModel::addIncludePath(JPATH_COMPONENT_ADMINISTRATOR.DS.'models', 'K2Model');^M
+
+
class K2ModelItem extends K2Model
{

getk2.org/community/New-to-K2-Ask-here-first/163385-Error-after-K2-update#163924

If you're using K2Mart, see this solution here