getgrav/grav · error · RuntimeException

500

500

Error message

Session hasn't been initialized.

What it means

Error "Session hasn't been initialized." thrown in getgrav/grav.

Source

Thrown at system/src/Grav/Framework/Session/Session.php:46

class Session implements SessionInterface
{
    /** @var array */
    protected $options = [];
    /** @var bool */
    protected $started = false;
    /** @var bool Lock released after a read-only start; the first write re-acquires it. */
    protected $readonly = false;

    /** @var Session */
    protected static $instance;

    /**
     * @inheritdoc
     */
    public static function getInstance()
    {
        if (null === self::$instance) {
            throw new RuntimeException("Session hasn't been initialized.", 500);
        }

        return self::$instance;
    }

    /**
     * Session constructor.
     *
     * @param array $options
     */
    public function __construct(array $options = [])
    {
        // Session is a singleton.
        if (\PHP_SAPI === 'cli') {
            self::$instance = $this;

            return;
        }

View on GitHub (pinned to 6040efed04)

When it happens

Trigger: Thrown at system/src/Grav/Framework/Session/Session.php:46 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of getgrav/grav@6040efed04 (2026-08-17). Data as JSON: /api/errors/e845c66e9a7dec3f. Report an issue: GitHub.