Error: Call to a member function getId() on null in /home/sourcemedia/public_html/app/code/MageArray/SubcategoriesGridList/Helper/Data.php:222 Stack trace: #0 /home/sourcemedia/public_html/app/code/MageArray/SubcategoriesGridList/view/frontend/templates/category/subcategory.phtml(5): MageArray\SubcategoriesGridList\Helper\Data->getSubCategories(NULL) #1 /home/sourcemedia/public_html/vendor/magento/framework/View/TemplateEngine/Php.php(71): include('/home/sourcemed...') #2 /home/sourcemedia/public_html/vendor/magento/framework/View/Element/Template.php(273): Magento\Framework\View\TemplateEngine\Php->render(Object(Smartwave\Filterproducts\Block\Home\FeaturedList\Interceptor), '/home/sourcemed...', Array) #3 /home/sourcemedia/public_html/vendor/magento/framework/View/Element/Template.php(303): Magento\Framework\View\Element\Template->fetchView('/home/sourcemed...') #4 /home/sourcemedia/public_html/vendor/magento/framework/View/Element/AbstractBlock.php(1111): Magento\Framework\View\Element\Template->_toHtml() #5 /home/sourcemedia/public_html/vendor/magento/framework/View/Element/AbstractBlock.php(1115): Magento\Framework\View\Element\AbstractBlock->Magento\Framework\View\Element\{closure}() #6 /home/sourcemedia/public_html/vendor/magento/framework/View/Element/AbstractBlock.php(675): Magento\Framework\View\Element\AbstractBlock->_loadCache() #7 /home/sourcemedia/public_html/vendor/magento/module-email/Model/Template/Filter.php(426): Magento\Framework\View\Element\AbstractBlock->toHtml() #8 [internal function]: Magento\Email\Model\Template\Filter->blockDirective(Array) #9 /home/sourcemedia/public_html/vendor/magento/framework/Filter/DirectiveProcessor/LegacyDirective.php(42): ReflectionMethod->invokeArgs(Object(Magento\Widget\Model\Template\Filter), Array) #10 /home/sourcemedia/public_html/vendor/magento/framework/Filter/Template.php(184): Magento\Framework\Filter\DirectiveProcessor\LegacyDirective->process(Array, Object(Magento\Widget\Model\Template\Filter), Array) #11 /home/sourcemedia/public_html/vendor/magento/module-email/Model/Template/Filter.php(1080): Magento\Framework\Filter\Template->filter('