jos-Error: View not found [name, type, prefix]: category, pdf, contentView

JSite -> dispatch() @ C:\xampp\htdocs\PAM\index.php:42
JComponentHelper :: renderComponent() @ C:\xampp\htdocs\PAM\includes\application.php:194
JComponentHelper :: executeComponent() @ C:\xampp\htdocs\PAM\libraries\joomla\application\component\helper.php:348
require_once() @ C:\xampp\htdocs\PAM\libraries\joomla\application\component\helper.php:380
JController -> execute() @ C:\xampp\htdocs\PAM\components\com_content\content.php:16
ContentController -> display() @ C:\xampp\htdocs\PAM\libraries\joomla\application\component\controller.php:761
JController -> display() @ C:\xampp\htdocs\PAM\components\com_content\controller.php:74
JController -> getView() @ C:\xampp\htdocs\PAM\libraries\joomla\application\component\controller.php:677
JError :: raiseError() @ C:\xampp\htdocs\PAM\libraries\joomla\application\component\controller.php:903
JError :: raise() @ C:\xampp\htdocs\PAM\libraries\joomla\error\error.php:251