Notice: Undefined variable: builder in /var/www/activosconcursales/shared/vendor/knplabs/knp-paginator-bundle/DependencyInjection/Configuration.php on line 49

Fatal error: Uncaught Error: Call to a member function buildTree() on null in /var/www/activosconcursales/shared/vendor/symfony/symfony/src/Symfony/Component/Config/Definition/Processor.php:50 Stack trace: #0 /var/www/activosconcursales/shared/vendor/knplabs/knp-paginator-bundle/DependencyInjection/KnpPaginatorExtension.php(33): Symfony\Component\Config\Definition\Processor->processConfiguration(Object(Knp\Bundle\PaginatorBundle\DependencyInjection\Configuration), Array) #1 /var/www/activosconcursales/shared/vendor/symfony/symfony/src/Symfony/Component/DependencyInjection/Compiler/MergeExtensionConfigurationPass.php(59): Knp\Bundle\PaginatorBundle\DependencyInjection\KnpPaginatorExtension->load(Array, Object(Symfony\Component\DependencyInjection\ContainerBuilder)) #2 /var/www/activosconcursales/shared/vendor/symfony/symfony/src/Symfony/Component/HttpKernel/DependencyInjection/MergeExtensionConfigurationPass.php(39): Symfony\Component\DependencyInjection\Compiler\MergeExtensionConfigurationPass->process(Object(Symfony\Comp in /var/www/activosconcursales/shared/vendor/symfony/symfony/src/Symfony/Component/Config/Definition/Processor.php on line 50