Undefined array key 3

[stprasst]

Hi,
i try the world datetime demo and i got this error:

Warning: Undefined array key 3 in C:\laragon\www\Bard\vendor\khaledalam\bard-sdk-php\src\ApiKey\ApiKeyCookie.php on line 57

Fatal error: Uncaught TypeError: json_decode(): Argument #1 ($json) must be of type string, null given in C:\laragon\www\Bard\vendor\khaledalam\bard-sdk-php\src\ApiKey\ApiKeyCookie.php:57 Stack trace: #0 C:\laragon\www\Bard\vendor\khaledalam\bard-sdk-php\src\ApiKey\ApiKeyCookie.php(57): json_decode(NULL, false, 512, 4194304) #1 C:\laragon\www\Bard\vendor\khaledalam\bard-sdk-php\src\Bard.php(20): Khaledalam\BardSdkPhp\ApiKey\ApiKeyCookie->ask('What is the dat...') #2 C:\laragon\www\Bard\main.php(17): Khaledalam\BardSdkPhp\Bard->ask('What is the dat...') #3 {main} thrown in C:\laragon\www\Bard\vendor\khaledalam\bard-sdk-php\src\ApiKey\ApiKeyCookie.php on line 57

Laravel 10:
same error: Undefined array key 3 in this line
$answer = $bard->ask($question);