Invalid category.

#0 /html/diamondsdirect/shop/app/code/core/Mage/Catalog/Model/Layer.php(190): Mage::throwException('Invalid categor...')
#1 /html/diamondsdirect/shop/app/code/local/Queldorei/Priceslider/Block/Slider.php(137): Mage_Catalog_Model_Layer->setCurrentCategory(Object(Mage_Catalog_Model_Category))
#2 /html/diamondsdirect/shop/app/code/local/Queldorei/Priceslider/Block/Slider.php(186): Queldorei_Priceslider_Block_Slider->_getProductCollection()
#3 /html/diamondsdirect/shop/app/code/core/Mage/Core/Block/Abstract.php(862): Queldorei_Priceslider_Block_Slider->_beforeToHtml()
#4 /html/diamondsdirect/shop/app/code/core/Mage/Core/Block/Abstract.php(582): Mage_Core_Block_Abstract->toHtml()
#5 /html/diamondsdirect/shop/app/code/core/Mage/Core/Block/Abstract.php(526): Mage_Core_Block_Abstract->_getChildHtml('content', true)
#6 /html/diamondsdirect/shop/app/code/local/Queldorei/Priceslider/Block/Mainslider.php(84): Mage_Core_Block_Abstract->getChildHtml('content')
#7 /html/diamondsdirect/shop/app/design/frontend/shopper/default/template/queldorei/priceslider/slider_content_wrapper.phtml(47): Queldorei_Priceslider_Block_Mainslider->getProductListHtml()
#8 /html/diamondsdirect/shop/app/code/core/Mage/Core/Block/Template.php(241): include('/html/diamondsd...')
#9 /html/diamondsdirect/shop/app/code/core/Mage/Core/Block/Template.php(272): Mage_Core_Block_Template->fetchView('frontend/shoppe...')
#10 /html/diamondsdirect/shop/app/code/core/Mage/Core/Block/Template.php(286): Mage_Core_Block_Template->renderView()
#11 /html/diamondsdirect/shop/app/code/core/Mage/Core/Block/Abstract.php(863): Mage_Core_Block_Template->_toHtml()
#12 /html/diamondsdirect/shop/app/code/core/Mage/Core/Block/Abstract.php(582): Mage_Core_Block_Abstract->toHtml()
#13 /html/diamondsdirect/shop/app/code/core/Mage/Core/Block/Abstract.php(526): Mage_Core_Block_Abstract->_getChildHtml('main', true)
#14 /html/diamondsdirect/shop/app/design/frontend/shopper/default/template/queldorei/priceslider/slider_root.phtml(1): Mage_Core_Block_Abstract->getChildHtml('main')
#15 /html/diamondsdirect/shop/app/code/core/Mage/Core/Block/Template.php(241): include('/html/diamondsd...')
#16 /html/diamondsdirect/shop/app/code/core/Mage/Core/Block/Template.php(272): Mage_Core_Block_Template->fetchView('frontend/shoppe...')
#17 /html/diamondsdirect/shop/app/code/core/Mage/Core/Block/Template.php(286): Mage_Core_Block_Template->renderView()
#18 /html/diamondsdirect/shop/app/code/core/Mage/Core/Block/Abstract.php(863): Mage_Core_Block_Template->_toHtml()
#19 /html/diamondsdirect/shop/app/code/core/Mage/Core/Model/Layout.php(555): Mage_Core_Block_Abstract->toHtml()
#20 /html/diamondsdirect/shop/app/code/core/Mage/Core/Controller/Varien/Action.php(390): Mage_Core_Model_Layout->getOutput()
#21 /html/diamondsdirect/shop/app/code/local/Queldorei/Priceslider/controllers/SliderController.php(13): Mage_Core_Controller_Varien_Action->renderLayout()
#22 /html/diamondsdirect/shop/app/code/core/Mage/Core/Controller/Varien/Action.php(419): Queldorei_Priceslider_SliderController->viewAction()
#23 /html/diamondsdirect/shop/app/code/core/Mage/Core/Controller/Varien/Router/Standard.php(250): Mage_Core_Controller_Varien_Action->dispatch('view')
#24 /html/diamondsdirect/shop/app/code/core/Mage/Core/Controller/Varien/Front.php(176): Mage_Core_Controller_Varien_Router_Standard->match(Object(Mage_Core_Controller_Request_Http))
#25 /html/diamondsdirect/shop/app/code/core/Mage/Core/Model/App.php(354): Mage_Core_Controller_Varien_Front->dispatch()
#26 /html/diamondsdirect/shop/app/Mage.php(683): Mage_Core_Model_App->run(Array)
#27 /html/diamondsdirect/shop/index.php(87): Mage::run('', 'store')
#28 {main}