Fatal error: Declaration of MGS\Mpanel\Block\Framework\Page::render(Magento\Framework\App\ResponseInterface $response) must be compatible with Magento\Framework\Controller\AbstractResult::render(Magento\Framework\App\Response\HttpInterface $response) in /var/www/html/app/code/MGS/Mpanel/Block/Framework/Page.php on line 0
Hello,
After installed theme Unero:
Magento versão 2.2.0:
Fatal error: Declaration of MGS\Mpanel\Block\Framework\Page::render(Magento\Framework\App\ResponseInterface $response) must be compatible with Magento\Framework\Controller\AbstractResult::render(Magento\Framework\App\Response\HttpInterface $response) in /var/www/html/app/code/MGS/Mpanel/Block/Framework/Page.php on line 0
Solution:
Install patch: patch_for_magento_2.2+