Recoverable Error: Object of class Mage_Catalog_Model_Category could not be converted to string  in /data/www/cuperto/bonhommedebois/prod/app/design/frontend/blank/theme032/template/catalog/category/themes.phtml on line 17

#0 /data/www/cuperto/bonhommedebois/prod/app/design/frontend/blank/theme032/template/catalog/category/themes.phtml(17): mageCoreErrorHandler(4096, 'Object of class...', '/data/www/cuper...', 17, Array)
#1 /data/www/cuperto/bonhommedebois/prod/app/code/core/Mage/Core/Block/Template.php(212): include('/data/www/cuper...')
#2 /data/www/cuperto/bonhommedebois/prod/app/code/core/Mage/Core/Block/Template.php(239): Mage_Core_Block_Template->fetchView('frontend/blank/...')
#3 /data/www/cuperto/bonhommedebois/prod/app/code/core/Mage/Core/Block/Template.php(253): Mage_Core_Block_Template->renderView()
#4 /data/www/cuperto/bonhommedebois/prod/app/code/core/Mage/Core/Block/Abstract.php(754): Mage_Core_Block_Template->_toHtml()
#5 /data/www/cuperto/bonhommedebois/prod/app/code/core/Mage/Core/Block/Abstract.php(521): Mage_Core_Block_Abstract->toHtml()
#6 /data/www/cuperto/bonhommedebois/prod/app/code/core/Mage/Core/Block/Abstract.php(472): Mage_Core_Block_Abstract->_getChildHtml('themes', true)
#7 /data/www/cuperto/bonhommedebois/prod/app/design/frontend/blank/theme032/template/catalog/category/view.phtml(24): Mage_Core_Block_Abstract->getChildHtml('themes')
#8 /data/www/cuperto/bonhommedebois/prod/app/code/core/Mage/Core/Block/Template.php(212): include('/data/www/cuper...')
#9 /data/www/cuperto/bonhommedebois/prod/app/code/core/Mage/Core/Block/Template.php(239): Mage_Core_Block_Template->fetchView('frontend/blank/...')
#10 /data/www/cuperto/bonhommedebois/prod/app/code/core/Mage/Core/Block/Template.php(253): Mage_Core_Block_Template->renderView()
#11 /data/www/cuperto/bonhommedebois/prod/app/code/core/Mage/Core/Block/Abstract.php(754): Mage_Core_Block_Template->_toHtml()
#12 /data/www/cuperto/bonhommedebois/prod/app/code/core/Mage/Core/Block/Text/List.php(43): Mage_Core_Block_Abstract->toHtml()
#13 /data/www/cuperto/bonhommedebois/prod/app/code/core/Mage/Core/Block/Abstract.php(754): Mage_Core_Block_Text_List->_toHtml()
#14 /data/www/cuperto/bonhommedebois/prod/app/code/core/Mage/Core/Block/Abstract.php(521): Mage_Core_Block_Abstract->toHtml()
#15 /data/www/cuperto/bonhommedebois/prod/app/code/core/Mage/Core/Block/Abstract.php(472): Mage_Core_Block_Abstract->_getChildHtml('content', true)
#16 /data/www/cuperto/bonhommedebois/prod/app/design/frontend/blank/theme032/template/page/2columns-left.phtml(53): Mage_Core_Block_Abstract->getChildHtml('content')
#17 /data/www/cuperto/bonhommedebois/prod/app/code/core/Mage/Core/Block/Template.php(212): include('/data/www/cuper...')
#18 /data/www/cuperto/bonhommedebois/prod/app/code/core/Mage/Core/Block/Template.php(239): Mage_Core_Block_Template->fetchView('frontend/blank/...')
#19 /data/www/cuperto/bonhommedebois/prod/app/code/core/Mage/Core/Block/Template.php(253): Mage_Core_Block_Template->renderView()
#20 /data/www/cuperto/bonhommedebois/prod/app/code/core/Mage/Core/Block/Abstract.php(754): Mage_Core_Block_Template->_toHtml()
#21 /data/www/cuperto/bonhommedebois/prod/app/code/core/Mage/Core/Model/Layout.php(529): Mage_Core_Block_Abstract->toHtml()
#22 /data/www/cuperto/bonhommedebois/prod/app/code/core/Mage/Core/Controller/Varien/Action.php(389): Mage_Core_Model_Layout->getOutput()
#23 /data/www/cuperto/bonhommedebois/prod/app/code/core/Mage/Catalog/controllers/CategoryController.php(115): Mage_Core_Controller_Varien_Action->renderLayout()
#24 /data/www/cuperto/bonhommedebois/prod/app/code/core/Mage/Core/Controller/Varien/Action.php(418): Mage_Catalog_CategoryController->viewAction()
#25 /data/www/cuperto/bonhommedebois/prod/app/code/core/Mage/Core/Controller/Varien/Router/Standard.php(254): Mage_Core_Controller_Varien_Action->dispatch('view')
#26 /data/www/cuperto/bonhommedebois/prod/app/code/core/Mage/Core/Controller/Varien/Front.php(177): Mage_Core_Controller_Varien_Router_Standard->match(Object(Mage_Core_Controller_Request_Http))
#27 /data/www/cuperto/bonhommedebois/prod/app/code/core/Mage/Core/Model/App.php(304): Mage_Core_Controller_Varien_Front->dispatch()
#28 /data/www/cuperto/bonhommedebois/prod/app/Mage.php(596): Mage_Core_Model_App->run(Array)
#29 /data/www/cuperto/bonhommedebois/prod/index.php(88): Mage::run('', 'store')
#30 {main}