I get these on my 7.x-2.18 kickstart installation:

Notice: Undefined variable: title in include() (line 5 of /home/pcm/public_html/profiles/commerce_kickstart/themes/omega/omega/templates/region--content.tpl.php).
Notice: Undefined variable: tabs in include() (line 11 of /home/pcm/public_html/profiles/commerce_kickstart/themes/omega/omega/templates/region--content.tpl.php).
Notice: Undefined variable: action_links in include() (line 12 of /home/pcm/public_html/profiles/commerce_kickstart/themes/omega/omega/templates/region--content.tpl.php).
Notice: Undefined variable: feed_icons in include() (line 14 of /home/pcm/public_html/profiles/commerce_kickstart/themes/omega/omega/templates/region--content.tpl.php).

please help.