Call to a member function update() on a non-object in C:\xampp\htdocs\joomla15\components\com_joobb\system\joobbeditor.php on line 160

Hi there!!!!i installed successfully jooBB but when i try to make a post i see that error!!!!!

Call to a member function update() on a non-object in C:\xampp\htdocs\joomla15\components\com_joobb\system\joobbeditor.php on line 160

How can i fix it!!!!!If it is easy i would like the steps!!!!


Reagards giorgos