InvalidArgumentException - Magic request methods require a URI and optional options array

[exzib]

      $mailerliteClient = new \MailerLiteApi\MailerLite(env('mailer_lite'));

      $groupsApi = $mailerliteClient->groups();

      $subscriber = [
          'email' => $this->email,
      ];

      $response = $groupsApi->addSubscriber(env('mailer_group'), $subscriber);

I am getting this error from running this code in my laravel job, what am i doing wrong?