Hi,

I am having a problem installing K2 on my site. It is a new install, only Joomla 3.0.3 and K2 2.6.7 but after K2 install site renders a "500 Error". Advanced debug shows:


Notice: Use of undefined constant K2_JVERSION - assumed 'K2_JVERSION' in /home4/siteuser/public_html/mysite/plugins/system/k2/k2.php on line 32

Fatal error: Class 'K2HelperHTML' not found in /home4/siteuser/public_html/mysite/plugins/system/k2/k2.php on line 55

The system plugin is enabled and the temp/log directories are correct in main config. I tried "one click upgrade" in Joomla so system is now 3.1.1 but the error persists.

Ideas?

I just installed K2 2.6.7 on a 3.1.1 Joomla! with no hassle so I think you are reffering to the front end of your site.

Fatal error: Class 'K2HelperHTML' not found in /home4/siteuser/public_html/mysite/plugins/system/k2/k2.php on line 55

This is an error commonly attributed to plugin ordering. Which other extensions are you using in your site?