Deprecated: assert(): Calling assert() with a string argument is deprecated in /customers/3/c/9/dansketegl.dk/httpd.www/tidsskrift/core/lib/Drupal/Core/Cache/Cache.php on line 32 The website encountered an unexpected error. Please try again later.
RuntimeException: Failed to start the session because headers have already been sent by "/customers/3/c/9/dansketegl.dk/httpd.www/tidsskrift/core/lib/Drupal/Core/Cache/Cache.php" at line 32. in Symfony\Component\HttpFoundation\Session\Storage\NativeSessionStorage->start() (line 140 of vendor/symfony/http-foundation/Session/Storage/NativeSessionStorage.php).
Symfony\Component\HttpFoundation\Session\Storage\NativeSessionStorage->start() (Line: 163)
Drupal\Core\Session\SessionManager->startNow() (Line: 194)
Drupal\Core\Session\SessionManager->save() (Line: 181)
Symfony\Component\HttpFoundation\Session\Session->save() (Line: 60)
Drupal\Core\StackMiddleware\Session->handle(Object, 1, 1) (Line: 47)
Drupal\Core\StackMiddleware\KernelPreHandle->handle(Object, 1, 1) (Line: 47)
Drupal\Core\StackMiddleware\ReverseProxyMiddleware->handle(Object, 1, 1) (Line: 50)
Drupal\Core\StackMiddleware\NegotiationMiddleware->handle(Object, 1, 1) (Line: 23)
Stack\StackedHttpKernel->handle(Object, 1, 1) (Line: 652)
Drupal\Core\DrupalKernel->handle(Object) (Line: 19)