Warning: array_flip(): Can only flip STRING and INTEGER values! in /home/solvezone/public_html/core/lib/Drupal/Core/Entity/EntityStorageBase.php on line 266
The website encountered an unexpected error. Please try again later.
RuntimeException: Failed to start the session because headers have already been sent by "/home/solvezone/public_html/core/lib/Drupal/Core/Entity/EntityStorageBase.php" at line 266. in Symfony\Component\HttpFoundation\Session\Storage\NativeSessionStorage->start() (line 150 of vendor/symfony/http-foundation/Session/Storage/NativeSessionStorage.php).

Symfony\Component\HttpFoundation\Session\Storage\NativeSessionStorage->start() (Line: 164)
Drupal\Core\Session\SessionManager->startNow() (Line: 195)
Drupal\Core\Session\SessionManager->save() (Line: 196)
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: 191)
Drupal\page_cache\StackMiddleware\PageCache->fetch(Object, 1, 1) (Line: 128)
Drupal\page_cache\StackMiddleware\PageCache->lookup(Object, 1, 1) (Line: 82)
Drupal\page_cache\StackMiddleware\PageCache->handle(Object, 1, 1) (Line: 50)
Drupal\ban\BanMiddleware->handle(Object, 1, 1) (Line: 47)
Drupal\Core\StackMiddleware\ReverseProxyMiddleware->handle(Object, 1, 1) (Line: 52)
Drupal\Core\StackMiddleware\NegotiationMiddleware->handle(Object, 1, 1) (Line: 23)
Stack\StackedHttpKernel->handle(Object, 1, 1) (Line: 708)
Drupal\Core\DrupalKernel->handle(Object) (Line: 19)