Fatal error: Uncaught Error: Call to a member function getFullWidth() on null in /home/nubangko/public_html/app/code/MGS/ThemeSettings/Observer/ProcessThemeSettingConfig.php:77 Stack trace: #0 /home/nubangko/public_html/vendor/magento/framework/Event/Invoker/InvokerDefault.php(88): MGS\ThemeSettings\Observer\ProcessThemeSettingConfig->execute(Object(Magento\Framework\Event\Observer)) #1 /home/nubangko/public_html/vendor/magento/framework/Event/Invoker/InvokerDefault.php(74): Magento\Framework\Event\Invoker\InvokerDefault->_callObserverMethod(Object(MGS\ThemeSettings\Observer\ProcessThemeSettingConfig), Object(Magento\Framework\Event\Observer)) #2 /home/nubangko/public_html/vendor/magento/framework/Event/Manager.php(66): Magento\Framework\Event\Invoker\InvokerDefault->dispatch(Array, Object(Magento\Framework\Event\Observer)) #3 /home/nubangko/public_html/generated/code/Magento/Framework/Event/Manager/Proxy.php(95): Magento\Framework\Event\Manager->dispatch('layout_load_bef...', Array) #4 /home/nubangko/public_html/vendor/m in /home/nubangko/public_html/app/code/MGS/ThemeSettings/Observer/ProcessThemeSettingConfig.php on line 77