Hello,
The k2_additional_categories table is from another extension called K2 additional categories. You can try upgrading it or you can ask the extension developer for support.

When i want to add an item, i'm getting this error

SQL=SELECT `catid` FROM jos_k2_additional_categories WHERE `itemID` = {intval()}

I read there is somewhere a solution, but just don't find it on the forum,
anyone can help me?

Thx!

Help!! I have this error and my host asked me to contact you Error: 1064 - You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'AND categories.published = 1 ORDER BY content.created DESC' at line 28 SQL=SELECT categories.title AS cat, content.id AS ID, content.access AS access, categories.title AS cat, users.email AS author_email, users.name AS author, content_rating.rating_sum AS rating_sum, content_rating.rating_count AS rating_count, categories.id AS CID FROM rj2cb_content AS content LEFT JOIN rj2cb_categories AS categories ON categories.id = content.catid LEFT JOIN rj2cb_content_frontpage AS frontpage ON content.id = frontpage.content_id LEFT JOIN rj2cb_users AS users ON users.id = content.created_by LEFT JOIN rj2cb_content_rating AS content_rating ON content_rating.content_id = content.id WHERE AND categories.published = 1 ORDER BY content.created DESC

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Hi
I am getting error 1064
All the categories are filled with items no empty ones.
joomla 3.1 and K2 2.6.7
This happens after I login to the frontend.


1064
You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'ORDER BY content.created DESC' at line 25 SQL=SELECT content.id AS ID, cats.name AS cat_name, cats.alias AS cat_alias, content.catid AS cat_id, users.name AS author, users.email AS author_email, users.id AS author_id, content_rating.rating_sum AS rating_sum, content_rating.rating_count AS rating_count FROM mquf8_k2_items AS content LEFT JOIN mquf8_k2_categories AS cats ON cats.id = content.catid LEFT JOIN mquf8_users AS users ON users.id = content.created_by LEFT JOIN mquf8_k2_rating AS content_rating ON content.id = content_rating.itemID WHERE ORDER BY content.created DESC

hi I contacted support joomla xtc and told me (after analyzing the site) that the problem is the component and not them. I have written this "I visited your site and can see that the error is relates completely with the K2 component, surely in some point some of the tables of the K2 component was corrupted or deleted, I suggest contact to the joomlaworks team (the developers of K2) to solve that problem, also, on the forums of K2 surely you will get some instructions about that, surely is necessary just readd the missing tables."