After a successful installation, if I click in the comment field I'm getting the following message below field:
[color=#0000bb]Warning: array_intersect(): Argument #2 is not an array in /home/public_html/mydomain/components/com_comment/helpers/security.php on line 277[/color]
What does it indicate and what should I do to get rid of it?

On attempt to Save the message, it hangs forever with the button showing Saving...

After the attempt to post a comment, I started to get the following message above each article, or category:
[color=#0000bb]Warning: array_intersect(): Argument #1 is not an array in /home/public_html/mysite/components/com_comment/helpers/security.php on line 109[/color]