Warning: Uncaught PDOException: PDO::__construct(): php_network_getaddresses: getaddrinfo failed: Name or service not known in /app/vendor/symfony/symfony/src/Symfony/Component/HttpFoundation/Session/Storage/Handler/PdoSessionHandler.php:413 Stack trace: #0 /app/vendor/symfony/symfony/src/Symfony/Component/HttpFoundation/Session/Storage/Handler/PdoSessionHandler.php(413): PDO->__construct('mysql:host=mysq...', 'root', 'werfwrbGergferw...', Array) #1 /app/vendor/symfony/symfony/src/Symfony/Component/HttpFoundation/Session/Storage/Handler/PdoSessionHandler.php(266): Symfony\Component\HttpFoundation\Session\Storage\Handler\PdoSessionHandler->connect('mysql:host=mysq...') #2 /app/vendor/symfony/symfony/src/Symfony/Component/HttpFoundation/Session/Storage/Proxy/SessionHandlerProxy.php(45): Symfony\Component\HttpFoundation\Session\Storage\Handler\PdoSessionHandler->open('', 'bb') #3 [internal function]: Symfony\Component\HttpFoundation\Session\Storage\Proxy\SessionHandlerProxy->open('', 'bb') #4 /app/vendor/symfony/symfony/ in /app/vendor/symfony/symfony/src/Symfony/Component/HttpFoundation/Session/Storage/Handler/PdoSessionHandler.php on line 413

Fatal error: session_start(): Failed to initialize storage module: user (path: ) in /app/vendor/symfony/symfony/src/Symfony/Component/HttpFoundation/Session/Storage/NativeSessionStorage.php on line 149

Warning: file_put_contents(): Only 0 of 10 bytes written, possibly out of free disk space in /app/vendor/elao/error-notifier-bundle/Listener/Notifier.php on line 377

Fatal error: Uncaught RuntimeException: Failed to start the session because headers have already been sent by "/app/vendor/symfony/symfony/src/Symfony/Component/HttpFoundation/Session/Storage/NativeSessionStorage.php" at line 149. in /app/vendor/symfony/symfony/src/Symfony/Component/HttpFoundation/Session/Storage/NativeSessionStorage.php:145 Stack trace: #0 /app/vendor/symfony/symfony/src/Symfony/Component/HttpFoundation/Session/Storage/NativeSessionStorage.php(283): Symfony\Component\HttpFoundation\Session\Storage\NativeSessionStorage->start() #1 /app/vendor/symfony/symfony/src/Symfony/Component/HttpFoundation/Session/Session.php(103): Symfony\Component\HttpFoundation\Session\Storage\NativeSessionStorage->getBag('attributes') #2 /app/vendor/twig/twig/lib/Twig/Template.php(675): Symfony\Component\HttpFoundation\Session\Session->all() #3 /app/app/cache/prod/twig/c3/c3919f6b48f005a67cae1f5a8daf902ca9acbf7ac7b35101c5e160630c8087c9.php(834): Twig_Template->getAttribute(Object(Symfony\Component\HttpFoundation\Session\Session), in /app/vendor/elao/error-notifier-bundle/Resources/views/mail.html.twig on line 606