Error: Call to a member function addLinkRel() on bool in /home/testing/promotoner/app/code/Impro/Productpage/Observer/LayoutLoadBeforeObserver.php:47
Stack trace:
#0 /home/testing/promotoner/vendor/magento/framework/Event/Invoker/InvokerDefault.php(88): Impro\Productpage\Observer\LayoutLoadBeforeObserver->execute()
#1 /home/testing/promotoner/vendor/magento/framework/Event/Invoker/InvokerDefault.php(74): Magento\Framework\Event\Invoker\InvokerDefault->_callObserverMethod()
#2 /home/testing/promotoner/vendor/magento/framework/Event/Manager.php(66): Magento\Framework\Event\Invoker\InvokerDefault->dispatch()
#3 /home/testing/promotoner/generated/code/Magento/Framework/Event/Manager/Proxy.php(95): Magento\Framework\Event\Manager->dispatch()
#4 /home/testing/promotoner/vendor/magento/framework/View/Layout/Builder.php(81): Magento\Framework\Event\Manager\Proxy->dispatch()
#5 /home/testing/promotoner/vendor/magento/framework/View/Layout/Builder.php(63): Magento\Framework\View\Layout\Builder->loadLayoutUpdates()
#6 /home/testing/promotoner/vendor/magento/framework/View/Page/Config.php(224): Magento\Framework\View\Layout\Builder->build()
#7 /home/testing/promotoner/vendor/magento/framework/View/Page/Config.php(587): Magento\Framework\View\Page\Config->build()
#8 /home/testing/promotoner/vendor/magento/framework/View/Page/Config.php(545): Magento\Framework\View\Page\Config->getElementAttribute()
#9 /home/testing/promotoner/vendor/magento/module-catalog/Helper/Product/View.php(224): Magento\Framework\View\Page\Config->addBodyClass()
#10 /home/testing/promotoner/vendor/magento/module-catalog/Helper/Product/View.php(299): Magento\Catalog\Helper\Product\View->initProductLayout()
#11 /home/testing/promotoner/vendor/magento/framework/Interception/Interceptor.php(58): Magento\Catalog\Helper\Product\View->prepareAndRender()
#12 /home/testing/promotoner/vendor/magento/framework/Interception/Interceptor.php(138): Magento\Catalog\Helper\Product\View\Interceptor->___callParent()
#13 /home/testing/promotoner/vendor/magento/framework/Interception/Interceptor.php(153): Magento\Catalog\Helper\Product\View\Interceptor->Magento\Framework\Interception\{closure}()
#14 /home/testing/promotoner/generated/code/Magento/Catalog/Helper/Product/View/Interceptor.php(23): Magento\Catalog\Helper\Product\View\Interceptor->___callPlugins()
#15 /home/testing/promotoner/vendor/magento/module-catalog/Controller/Product/View.php(140): Magento\Catalog\Helper\Product\View\Interceptor->prepareAndRender()
#16 /home/testing/promotoner/vendor/magento/framework/Interception/Interceptor.php(58): Magento\Catalog\Controller\Product\View->execute()
#17 /home/testing/promotoner/vendor/magento/framework/Interception/Interceptor.php(138): Magento\Catalog\Controller\Product\View\Interceptor->___callParent()
#18 /home/testing/promotoner/vendor/magento/framework/App/Action/Plugin/ActionFlagNoDispatchPlugin.php(51): Magento\Catalog\Controller\Product\View\Interceptor->Magento\Framework\Interception\{closure}()
#19 /home/testing/promotoner/vendor/magento/framework/Interception/Interceptor.php(135): Magento\Framework\App\Action\Plugin\ActionFlagNoDispatchPlugin->aroundExecute()
#20 /home/testing/promotoner/vendor/magento/framework/Interception/Interceptor.php(153): Magento\Catalog\Controller\Product\View\Interceptor->Magento\Framework\Interception\{closure}()
#21 /home/testing/promotoner/generated/code/Magento/Catalog/Controller/Product/View/Interceptor.php(23): Magento\Catalog\Controller\Product\View\Interceptor->___callPlugins()
#22 /home/testing/promotoner/vendor/magento/framework/App/Action/Action.php(111): Magento\Catalog\Controller\Product\View\Interceptor->execute()
#23 /home/testing/promotoner/vendor/magento/framework/Interception/Interceptor.php(58): Magento\Framework\App\Action\Action->dispatch()
#24 /home/testing/promotoner/vendor/magento/framework/Interception/Interceptor.php(138): Magento\Catalog\Controller\Product\View\Interceptor->___callParent()
#25 /home/testing/promotoner/vendor/magento/framework/Interception/Interceptor.php(153): Magento\Catalog\Controller\Product\View\Interceptor->Magento\Framework\Interception\{closure}()
#26 /home/testing/promotoner/generated/code/Magento/Catalog/Controller/Product/View/Interceptor.php(32): Magento\Catalog\Controller\Product\View\Interceptor->___callPlugins()
#27 /home/testing/promotoner/vendor/magento/framework/App/FrontController.php(186): Magento\Catalog\Controller\Product\View\Interceptor->dispatch()
#28 /home/testing/promotoner/vendor/magento/framework/App/FrontController.php(118): Magento\Framework\App\FrontController->processRequest()
#29 /home/testing/promotoner/vendor/magento/framework/Interception/Interceptor.php(58): Magento\Framework\App\FrontController->dispatch()
#30 /home/testing/promotoner/vendor/magento/framework/Interception/Interceptor.php(138): Magento\Framework\App\FrontController\Interceptor->___callParent()
#31 /home/testing/promotoner/vendor/magento/module-store/App/FrontController/Plugin/RequestPreprocessor.php(99): Magento\Framework\App\FrontController\Interceptor->Magento\Framework\Interception\{closure}()
#32 /home/testing/promotoner/vendor/magento/framework/Interception/Interceptor.php(135): Magento\Store\App\FrontController\Plugin\RequestPreprocessor->aroundDispatch()
#33 /home/testing/promotoner/app/code/IP2Location/CountryStateBlocker/App/FrontController/Plugin.php(251): Magento\Framework\App\FrontController\Interceptor->Magento\Framework\Interception\{closure}()
#34 /home/testing/promotoner/vendor/magento/framework/Interception/Interceptor.php(135): IP2Location\CountryStateBlocker\App\FrontController\Plugin->aroundDispatch()
#35 /home/testing/promotoner/vendor/magento/module-page-cache/Model/App/FrontController/BuiltinPlugin.php(75): Magento\Framework\App\FrontController\Interceptor->Magento\Framework\Interception\{closure}()
#36 /home/testing/promotoner/vendor/magento/framework/Interception/Interceptor.php(135): Magento\PageCache\Model\App\FrontController\BuiltinPlugin->aroundDispatch()
#37 /home/testing/promotoner/vendor/magento/framework/Interception/Interceptor.php(153): Magento\Framework\App\FrontController\Interceptor->Magento\Framework\Interception\{closure}()
#38 /home/testing/promotoner/generated/code/Magento/Framework/App/FrontController/Interceptor.php(23): Magento\Framework\App\FrontController\Interceptor->___callPlugins()
#39 /home/testing/promotoner/vendor/magento/framework/App/Http.php(116): Magento\Framework\App\FrontController\Interceptor->dispatch()
#40 /home/testing/promotoner/vendor/magento/framework/App/Bootstrap.php(263): Magento\Framework\App\Http->launch()
#41 /home/testing/promotoner/pub/index.php(52): Magento\Framework\App\Bootstrap->run()
#42 {main}