a:3:{i:0;a:6:{s:4:"type";i:16384;s:7:"message";s:268:"Duplicate key "logout" detected whilst parsing YAML. Silent handling of duplicate mapping keys in YAML is deprecated since Symfony 3.2 and will throw \Symfony\Component\Yaml\Exception\ParseException in 4.0 in "/var/www/projects/ers/app/config/security.yml" on line 42.";s:4:"file";s:82:"/var/www/projects/ers/vendor/symfony/symfony/src/Symfony/Component/Yaml/Parser.php";s:4:"line";i:396;s:5:"trace";a:0:{}s:5:"count";i:1;}i:1;a:6:{s:4:"type";i:16384;s:7:"message";s:118:"Not setting "logout_on_user_change" to true on firewall "main" is deprecated as of 3.4, it will always be true in 4.0.";s:4:"file";s:120:"/var/www/projects/ers/vendor/symfony/symfony/src/Symfony/Bundle/SecurityBundle/DependencyInjection/SecurityExtension.php";s:4:"line";i:386;s:5:"trace";a:1:{i:0;a:5:{s:4:"file";s:120:"/var/www/projects/ers/vendor/symfony/symfony/src/Symfony/Bundle/SecurityBundle/DependencyInjection/SecurityExtension.php";s:4:"line";i:297;s:8:"function";s:14:"createFirewall";s:5:"class";s:67:"Symfony\Bundle\SecurityBundle\DependencyInjection\SecurityExtension";s:4:"type";s:2:"->";}}s:5:"count";i:1;}i:2;a:6:{s:4:"type";i:16384;s:7:"message";s:261:"Listener "form_login" on firewall "main" has no "provider" set but multiple providers exist. Using the first configured provider (chain_provider) is deprecated since Symfony 3.4 and will throw an exception in 4.0, set the "provider" key on the firewall instead.";s:4:"file";s:120:"/var/www/projects/ers/vendor/symfony/symfony/src/Symfony/Bundle/SecurityBundle/DependencyInjection/SecurityExtension.php";s:4:"line";i:840;s:5:"trace";a:1:{i:0;a:5:{s:4:"file";s:120:"/var/www/projects/ers/vendor/symfony/symfony/src/Symfony/Bundle/SecurityBundle/DependencyInjection/SecurityExtension.php";s:4:"line";i:545;s:8:"function";s:16:"getFirstProvider";s:5:"class";s:67:"Symfony\Bundle\SecurityBundle\DependencyInjection\SecurityExtension";s:4:"type";s:2:"->";}}s:5:"count";i:1;}}