Warning: get_headers(http://163.172.41.40:8080/Referentiel_OEP-2nd-degre/1_Presentation-ressources_OEP.pdf): failed to open stream: No route to host in /var/www/reseau-alpha/src/AppBundle/Controller/OutilController.php on line 641

Warning: get_headers(http://163.172.41.40:8080/Referentiel_OEP-2nd-degre/2_Referentiel_OEP-2nd-degre.pdf): failed to open stream: No route to host in /var/www/reseau-alpha/src/AppBundle/Controller/OutilController.php on line 641

Warning: get_headers(http://163.172.41.40:8080/Referentiel_OEP-2nd-degre/3_Sources_OEP-2nd-degre.zip): failed to open stream: No route to host in /var/www/reseau-alpha/src/AppBundle/Controller/OutilController.php on line 641

Fatal error: Uncaught RuntimeException: Failed to start the session because headers have already been sent by "/var/www/reseau-alpha/src/AppBundle/Controller/OutilController.php" at line 641. in /var/www/reseau-alpha/vendor/symfony/symfony/src/Symfony/Component/HttpFoundation/Session/Storage/NativeSessionStorage.php:134 Stack trace: #0 /var/www/reseau-alpha/vendor/symfony/symfony/src/Symfony/Component/HttpFoundation/Session/Storage/NativeSessionStorage.php(258): Symfony\Component\HttpFoundation\Session\Storage\NativeSessionStorage->start() #1 /var/www/reseau-alpha/vendor/symfony/symfony/src/Symfony/Component/HttpFoundation/Session/Session.php(237): Symfony\Component\HttpFoundation\Session\Storage\NativeSessionStorage->getBag('flashes') #2 /var/www/reseau-alpha/vendor/symfony/symfony/src/Symfony/Component/HttpFoundation/Session/Session.php(247): Symfony\Component\HttpFoundation\Session\Session->getBag('flashes') #3 /var/www/reseau-alpha/vendor/twig/twig/src/Template.php(700): Symfony\Component\HttpFoundation\Session\Sessio in /var/www/reseau-alpha/app/Resources/views/base_content.html.twig on line 26