Fatal error: Uncaught TypeError: in_array(): Argument #2 ($haystack) must be of type array, null given in /home/soho2024/public_html/app/code/local/ManaPro/FilterSeoLinks/Model/Observer.php:217
Stack trace:
#0 /home/soho2024/public_html/app/code/local/ManaPro/FilterSeoLinks/Model/Observer.php(217): in_array()
#1 /home/soho2024/public_html/app/code/local/ManaPro/FilterSeoLinks/Model/Observer.php(115): ManaPro_FilterSeoLinks_Model_Observer->_processCase()
#2 /home/soho2024/public_html/app/code/local/ManaPro/FilterSeoLinks/Model/Observer.php(66): ManaPro_FilterSeoLinks_Model_Observer->_addAppliedFiltersToCategoryTitle()
#3 /home/soho2024/public_html/app/code/core/Mage/Core/Model/App.php(1449): ManaPro_FilterSeoLinks_Model_Observer->addAppliedFiltersToTitle()
#4 /home/soho2024/public_html/app/code/core/Mage/Core/Model/App.php(1427): Mage_Core_Model_App->_callObserverMethod()
#5 /home/soho2024/public_html/app/Mage.php(527): Mage_Core_Model_App->dispatchEvent()
#6 /home/soho2024/public_html/app/code/core/Mage/Core/Controller/Varien/Action.php(349): Mage::dispatchEvent()
#7 /home/soho2024/public_html/app/code/core/Mage/Cms/Helper/Page.php(101): Mage_Core_Controller_Varien_Action->generateLayoutBlocks()
#8 /home/soho2024/public_html/app/code/core/Mage/Cms/Helper/Page.php(41): Mage_Cms_Helper_Page->_renderPage()
#9 /home/soho2024/public_html/app/code/core/Mage/Cms/controllers/PageController.php(32): Mage_Cms_Helper_Page->renderPage()
#10 /home/soho2024/public_html/app/code/core/Mage/Core/Controller/Varien/Action.php(421): Mage_Cms_PageController->viewAction()
#11 /home/soho2024/public_html/app/code/core/Mage/Core/Controller/Varien/Router/Standard.php(255): Mage_Core_Controller_Varien_Action->dispatch()
#12 /home/soho2024/public_html/app/code/core/Mage/Core/Controller/Varien/Front.php(181): Mage_Core_Controller_Varien_Router_Standard->match()
#13 /home/soho2024/public_html/app/code/core/Mage/Core/Model/App.php(358): Mage_Core_Controller_Varien_Front->dispatch()
#14 /home/soho2024/public_html/app/Mage.php(758): Mage_Core_Model_App->run()
#15 /home/soho2024/public_html/index.php(59): Mage::run()
#16 {main}
thrown in /home/soho2024/public_html/app/code/local/ManaPro/FilterSeoLinks/Model/Observer.php on line 217