Error Code 7

You can turn this off by following the instructions below:

1. Go to wp-admin > Settings > Security
2. Open the plugin settings by clicking on the green link below
3. Click on the firewall tab on the left side.
4. Scroll down to "Forbid proxy comment posting" under ".htaccess Features".
5. Uncheck the checkbox.
6. Scroll down and click the save settings button.