Fatal error: Uncaught Error: Non-static method Plugin\ProductDisplayRank4\Form\Extension\ProductTypeExtension::getExtendedTypes() cannot be called statically in /home/crevia01/artsuiboku.com/public_html/shop.artsuiboku.com/vendor/symfony/form/DependencyInjection/FormPass.php:109 Stack trace: #0 /home/crevia01/artsuiboku.com/public_html/shop.artsuiboku.com/vendor/symfony/form/DependencyInjection/FormPass.php(60): Symfony\Component\Form\DependencyInjection\FormPass->processFormTypeExtensions(Object(Symfony\Component\DependencyInjection\ContainerBuilder)) #1 /home/crevia01/artsuiboku.com/public_html/shop.artsuiboku.com/vendor/symfony/dependency-injection/Compiler/Compiler.php(94): Symfony\Component\Form\DependencyInjection\FormPass->process(Object(Symfony\Component\DependencyInjection\ContainerBuilder)) #2 /home/crevia01/artsuiboku.com/public_html/shop.artsuiboku.com/vendor/symfony/dependency-injection/ContainerBuilder.php(762): Symfony\Component\DependencyInjection\Compiler\Compiler->compile(Object(Symfony\Component\DependencyInjection\ContainerBuilder)) #3 /home/crevia01/artsuiboku.com/public_html/shop.artsuiboku.com/vendor/symfony/http-kernel/Kernel.php(596): Symfony\Component\DependencyInjection\ContainerBuilder->compile() #4 /home/crevia01/artsuiboku.com/public_html/shop.artsuiboku.com/vendor/symfony/http-kernel/Kernel.php(136): Symfony\Component\HttpKernel\Kernel->initializeContainer() #5 /home/crevia01/artsuiboku.com/public_html/shop.artsuiboku.com/src/Eccube/Kernel.php(113): Symfony\Component\HttpKernel\Kernel->boot() #6 /home/crevia01/artsuiboku.com/public_html/shop.artsuiboku.com/vendor/symfony/http-kernel/Kernel.php(196): Eccube\Kernel->boot() #7 /home/crevia01/artsuiboku.com/public_html/shop.artsuiboku.com/index.php(82): Symfony\Component\HttpKernel\Kernel->handle(Object(Symfony\Component\HttpFoundation\Request)) #8 {main} thrown in /home/crevia01/artsuiboku.com/public_html/shop.artsuiboku.com/vendor/symfony/form/DependencyInjection/FormPass.php on line 109