Fatal error: Uncaught TypeError: array_merge(): Argument #1 must be of type array, null given in /var/www/share/prod/versions/2024-03-28_12_10_48_0290999_production/magento/app/code/local/Wambo/ExtLayerNavigation/Block/Page/Html/Breadcrumbs.php:67
Stack trace:
#0 /var/www/share/prod/versions/2024-03-28_12_10_48_0290999_production/magento/app/code/local/Wambo/ExtLayerNavigation/Block/Page/Html/Breadcrumbs.php(67): array_merge(NULL, Array)
#1 /var/www/share/prod/versions/2024-03-28_12_10_48_0290999_production/magento/app/code/local/Wambo/ExtLayerNavigation/Block/Page/Html/Breadcrumbs.php(38): Wambo_ExtLayerNavigation_Block_Page_Html_Breadcrumbs->overwriteFirstBreadcrumbByWorld()
#2 /var/www/share/prod/versions/2024-03-28_12_10_48_0290999_production/magento/app/code/core/Mage/Core/Block/Abstract.php(938): Wambo_ExtLayerNavigation_Block_Page_Html_Breadcrumbs->_toHtml()
#3 /var/www/share/prod/versions/2024-03-28_12_10_48_0290999_production/magento/app/code/core/Mage/Core/Block/Abstract.php(656): Mage_Core_Block_Abstract->toHtml()
#4 /var/www/share/prod/versions/2024-03-28_12_10_48_0290999_production/magento/app/code/core/Mage/Core/Block/Abstract.php(600): Mage_Core_Block_Abstract->_getChildHtml('breadcrumbs', true)
#5 /var/www/share/prod/versions/2024-03-28_12_10_48_0290999_production/magento/app/design/frontend/fn_planeo/default/template/page/2columns-right.phtml(26): Mage_Core_Block_Abstract->getChildHtml('breadcrumbs')
#6 /var/www/share/prod/versions/2024-03-28_12_10_48_0290999_production/magento/app/code/core/Mage/Core/Block/Template.php(263): include('/var/www/share/...')
#7 /var/www/share/prod/versions/2024-03-28_12_10_48_0290999_production/magento/app/code/core/Mage/Core/Block/Template.php(294): Mage_Core_Block_Template->fetchView('frontend/fn_pla...')
#8 /var/www/share/prod/versions/2024-03-28_12_10_48_0290999_production/magento/app/code/core/Mage/Core/Block/Template.php(308): Mage_Core_Block_Template->renderView()
#9 /var/www/share/prod/versions/2024-03-28_12_10_48_0290999_production/magento/app/code/core/Mage/Core/Block/Abstract.php(938): Mage_Core_Block_Template->_toHtml()
#10 /var/www/share/prod/versions/2024-03-28_12_10_48_0290999_production/magento/app/code/local/Inchoo/PHP7/Model/Layout.php(15): Mage_Core_Block_Abstract->toHtml()
#11 /var/www/share/prod/versions/2024-03-28_12_10_48_0290999_production/magento/app/code/core/Mage/Core/Controller/Varien/Action.php(406): Inchoo_PHP7_Model_Layout->getOutput()
#12 /var/www/share/prod/versions/2024-03-28_12_10_48_0290999_production/magento/app/code/core/Mage/Review/controllers/ProductController.php(280): Mage_Core_Controller_Varien_Action->renderLayout()
#13 /var/www/share/prod/versions/2024-03-28_12_10_48_0290999_production/magento/app/code/core/Mage/Core/Controller/Varien/Action.php(437): Mage_Review_ProductController->viewAction()
#14 /var/www/share/prod/versions/2024-03-28_12_10_48_0290999_production/magento/app/code/core/Mage/Core/Controller/Varien/Router/Standard.php(262): Mage_Core_Controller_Varien_Action->dispatch('view')
#15 /var/www/share/prod/versions/2024-03-28_12_10_48_0290999_production/magento/app/code/core/Mage/Core/Controller/Varien/Front.php(192): Mage_Core_Controller_Varien_Router_Standard->match(Object(Mage_Core_Controller_Request_Http))
#16 /var/www/share/prod/versions/2024-03-28_12_10_48_0290999_production/magento/app/code/core/Mage/Core/Model/App.php(381): Mage_Core_Controller_Varien_Front->dispatch()
#17 /var/www/share/prod/versions/2024-03-28_12_10_48_0290999_production/magento/app/Mage.php(741): Mage_Core_Model_App->run(Array)
#18 /var/www/share/prod/versions/2024-03-28_12_10_48_0290999_production/magento/index.php(49): Mage::run('planeo_de_de', 'store')
#19 {main}
thrown in /var/www/share/prod/versions/2024-03-28_12_10_48_0290999_production/magento/app/code/local/Wambo/ExtLayerNavigation/Block/Page/Html/Breadcrumbs.php on line 67