Fatal error: Uncaught TypeError: trim() expects parameter 1 to be string, null given in /var/www/html/app/code/Bastos/SkuSearch/Observer/RedirectToProduct.php:50 Stack trace: #0 /var/www/html/app/code/Bastos/SkuSearch/Observer/RedirectToProduct.php(50): trim(NULL) #1 /var/www/html/vendor/magento/framework/Event/Invoker/InvokerDefault.php(88): Bastos\SkuSearch\Observer\RedirectToProduct->execute(Object(Magento\Framework\Event\Observer)) #2 /var/www/html/vendor/magento/framework/Event/Invoker/InvokerDefault.php(74): Magento\Framework\Event\Invoker\InvokerDefault->_callObserverMethod(Object(Bastos\SkuSearch\Observer\RedirectToProduct), Object(Magento\Framework\Event\Observer)) #3 /var/www/html/vendor/magento/framework/Event/Manager.php(66): Magento\Framework\Event\Invoker\InvokerDefault->dispatch(Array, Object(Magento\Framework\Event\Observer)) #4 /var/www/html/generated/code/Magento/Framework/Event/Manager/Proxy.php(95): Magento\Framework\Event\Manager->dispatch('controller_acti...', Array) #5 /var/www/html/vendor/magento/f in /var/www/html/app/code/Bastos/SkuSearch/Observer/RedirectToProduct.php on line 50