The Kunena team has announce the arrival of Kunena 7.0.4 [K 7.0.4] in stable which is now available for download as a native Joomla extension for J! 5.4.x/6.0.x. This version addresses most of the issues that were discovered in K 6.2 / K 6.3 / K 6.4 and issues discovered during the last development stages of K 7.0
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Joomla 3.4, I upgraded Kunena 3.0.6 (was working) to 3.0.7 and now cannot access forum categories and articles. I have disabled add-ons and reinstalled Kunena 3.0.7 but the error remains.
I would seem that the bug has not been fixed and can occur when Kunena is upgraded from 3.0.6 to 3.0.7. However following the suggestion from the link above and applying the following fixed the problem for me.
Thank you
Apply these to database:
ALTER TABLE `jom_redirect_links` ADD header smallint(3) NOT NULL DEFAULT 301;
ALTER TABLE `jom_redirect_links` MODIFY new_url varchar(255);
