Error: Call to a member function get() on null in Drupal\amazon_ses\Form\AmazonSesTestForm->submitForm()

Here is a patch that should fix the issue

I have tested this patch and it is working fine, creating MR for this.

Thanks

@drupal-baby Already a Issue 🐛 Warning: Undefined property: Drupal\amazon_ses\Form\AmazonSesTestForm::$config in Drupal\amazon_ses\Form\AmazonSesTestForm->submitForm() (line 83 of /home/www/drupal/web/modules/contrib/amazon_ses/src/Form/AmazonSesTestForm.php) Active present and this is already fixed now in 3.0.1 the issue resolved.