filamentphp/filament · error · LogicException

A configuration with the key [{$page->getKey()}] has already

Error message

A configuration with the key [{$page->getKey()}] has already been registered for the page [{$page->page}].

What it means

Error "A configuration with the key [{$page->getKey()}] has already been registered for the page [{$page->page}]." thrown in filamentphp/filament.

Source

Thrown at packages/panels/src/Panel/Concerns/HasComponents.php:143

    /**
     * @param  array<class-string | PageConfiguration>  $pages
     */
    public function pages(array $pages): static
    {
        $hasCachedComponents = $this->hasCachedComponents();

        foreach ($pages as $page) {
            if ($page instanceof PageConfiguration) {
                if (isset($this->pageConfigurations[$page->page][$page->getKey()])) {
                    $message = "A configuration with the key [{$page->getKey()}] has already been registered for the page [{$page->page}].";

                    if ($page->getKey() === 'default') {
                        $message .= ' Pass a unique key to each `::make()` call to register multiple configurations for the same page.';
                    } else {
                        $message .= ' Each configuration for the same page must have a unique key.';
                    }

                    throw new LogicException($message);
                }

                $this->pageConfigurations[$page->page][$page->getKey()] = $page;

                if (! $hasCachedComponents) {
                    $this->queueLivewireComponentForRegistration($page->page);
                    $this->registerToCluster($page->page);
                }
            } elseif (! $hasCachedComponents) {
                $this->pages[] = $page;

                $this->queueLivewireComponentForRegistration($page);
                $this->registerToCluster($page);
            }
        }

        return $this;
    }

View on GitHub (pinned to 53483fa934)

When it happens

Trigger: Thrown at packages/panels/src/Panel/Concerns/HasComponents.php:143 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of filamentphp/filament@53483fa934 (2026-08-17). Data as JSON: /api/errors/3b74af3fd74af140. Report an issue: GitHub.