Undefined array key "version"

[Wotuu]

{
    "correlationId": "b618034a-da07-4a17-8e3d-a7aace1b5b01",
    "userId": 49117
}

On laravel-serializable-closure://function (\Illuminate\Http\Request $request, \App\Service\Patreon\PatreonApiServiceInterface $patreonApiService, \App\Service\Patreon\PatreonServiceInterface $patreonService): \Illuminate\Http\RedirectResponse
    {
        $state = $request->get('state');
        $code  = $request->get('code');

        // If session was not expired
        if (csrf_token() === $state) {
            // Replace http://localhost:5000/oauth/redirect with your own uri
            $redirect_uri = route('patreon.link');

            $tokens = $patreonApiService->getAccessTokenFromCode($code, $redirect_uri);
            if (!isset($tokens['error'])) {
                $user = \Illuminate\Support\Facades\Auth::user();

                // Save new tokens to database
                // Delete existing patreon data, if any
                $user->patreonUserLink?->delete();

                $patreonUserLinkAttributes = [
                    'user_id'       => $user->id,
                    'scope'         => $tokens['scope'],
                    'access_token'  => $tokens['access_token'],
                    'refresh_token' => $tokens['refresh_token'],
                    'version'       => $tokens['version'],
                    'expires_at'    => date('Y-m-d H:i:s', time() + $tokens['expires_in']),
                ];