jos-Error: Visualização não encontrada [nome, tipo, prefixo]: k2, html, k2View

JSite -> dispatch() @ /home/diathekecoaching/www/index.php:42
JComponentHelper :: renderComponent() @ /home/diathekecoaching/www/includes/application.php:187
JComponentHelper :: executeComponent() @ /home/diathekecoaching/www/libraries/joomla/application/component/helper.php:357
require_once() @ /home/diathekecoaching/www/libraries/joomla/application/component/helper.php:388
JController -> execute() @ /home/diathekecoaching/www/components/com_k2/k2.php:52
K2ControllerItemlist -> display() @ /home/diathekecoaching/www/libraries/joomla/application/component/controller.php:754
JController -> display() @ /home/diathekecoaching/www/components/com_k2/controllers/itemlist.php:32
JController -> getView() @ /home/diathekecoaching/www/libraries/joomla/application/component/controller.php:671
JError :: raiseError() @ /home/diathekecoaching/www/libraries/joomla/application/component/controller.php:896
JError :: raise() @ /home/diathekecoaching/www/libraries/joomla/error/error.php:251