There was an error.

/srv/omeka/vendor/zendframework/zend-view/src/Renderer/PhpRenderer.php
/srv/omeka/index.php
    Zend\Permissions\Acl\Exception\InvalidArgumentException: Resource 'Omeka\Controller\Site\Shibboleth' not found in /srv/omeka/vendor/zendframework/zend-permissions-acl/src/Acl.php:291
Stack trace:
#0 /srv/omeka/vendor/zendframework/zend-permissions-acl/src/Acl.php(737): Zend\Permissions\Acl\Acl->getResource('Omeka\\Controlle...')
#1 /srv/omeka/application/src/Permissions/Acl.php(87): Zend\Permissions\Acl\Acl->isAllowed(NULL, 'Omeka\\Controlle...', 'login')
#2 /srv/omeka/application/src/Mvc/MvcListeners.php(429): Omeka\Permissions\Acl->userIsAllowed('Omeka\\Controlle...', 'login')
#3 /srv/omeka/vendor/zendframework/zend-eventmanager/src/EventManager.php(322): Omeka\Mvc\MvcListeners->authorizeUserAgainstController(Object(Zend\Mvc\MvcEvent))
#4 /srv/omeka/vendor/zendframework/zend-eventmanager/src/EventManager.php(179): Zend\EventManager\EventManager->triggerListeners(Object(Zend\Mvc\MvcEvent), Object(Closure))
#5 /srv/omeka/vendor/zendframework/zend-mvc/src/Application.php(332): Zend\EventManager\EventManager->triggerEventUntil(Object(Closure), Object(Zend\Mvc\MvcEvent))
#6 /srv/omeka/index.php(21): Zend\Mvc\Application->run()
#7 {main}