Fatal error: Uncaught TypeError: Argument 1 passed to sfWebResponse::merge() must be an instance of sfWebResponse, null given, called in /var/www/html/lib/vendor/symfony/lib/view/sfViewCacheManager.class.php on line 742 and defined in /var/www/html/cache/amp2020/prod/config/config_core_compile.yml.php:3815
Stack trace:
#0 /var/www/html/lib/vendor/symfony/lib/view/sfViewCacheManager.class.php(742): sfWebResponse->merge(NULL)
#1 /var/www/html/lib/vendor/symfony/lib/view/sfPartialView.class.php(146): sfViewCacheManager->getPartialCache('component', '_footer', '0f4e81636cc63e1...')
#2 /var/www/html/lib/vendor/symfony/lib/helper/PartialHelper.php(143): sfPartialView->getCache()
#3 /var/www/html/lib/vendor/symfony/lib/helper/PartialHelper.php(115): get_component('component', 'footer', Array)
#4 /var/www/html/apps/amp2020/templates/layout.php(142): include_component('component', 'footer', Array)
#5 /var/www/html/cache/amp2020/prod/config/config_core_compile.yml.php(3968): require('/var/www/html/a...')
#6 /var/www/html/cache/amp2 in /var/www/html/cache/amp2020/prod/config/config_core_compile.yml.php on line 3815