Joomla 3.x

In this tutorial we will show you how to fix the “manifest cache” error in Joomla! You may be receiving errors after upgrading to Joomla 2.5.x that look similar to this: Refresh Manifest Cache failed: Extension is not currently installed

There are a few plugins that are not compatible with PHP 5.3+ and Joomla 1.5x, and they may show up like the error messages below: Warning: Parameter 1 to plgContentJA_tabs:nPrepareContent() expected to be a reference, value given in /home/bienthuy/public_html/libraries/joomla/event/event.php on