>>> [!note] Migrated issue <!-- Drupal.org comment --> <!-- Migrated from issue #3263546. --> Reported by: [shefik](https://www.drupal.org/user/1196760) Related to !2 >>> <h3 id="summary-problem-motivation">Problem/Motivation</h3> <p>ArgumentCountError: Too few arguments to function Drupal\error_page\ErrorPageErrorHandler::handleError(), 4 passed </p> <h4 id="summary-steps-reproduce">Steps to reproduce</h4> <p>Throw an error to trigger. The value for array $context is not set when Drupal 9 core is passing an error though this error handler.</p>