It appears that following plugins/themes obtained through Oxwall Store and installed on your website (http://www.sitename.com/) have failed license verification check:

"Hot List"
"PayPal Billing"
"Paid Membership"
...

To continue using these plugins/themes, please make sure that all license keys for the listed plugins/themes are valid. Note that you may need to enter license keys manually in the Admin area: http://www.singleitalia.pro/admin/plugins

• Received as: an email notification.
• Caused by: license key used for SkaDate software package failed to validate automatically.
• Solution:
  • reissue license from Customer Area
  • go to Admin area > Plugins > Installed plugins > SkaDate System Tools > Settings.
  • click “Validate”
  • go back to Admin area > Plugins Installed plugins. Plugins should not be highlighted in red anymore.

• If this solution did not resolve your issue, please contact SkaDate support with the following details:
  • admin area username, password
  • server control panel link, username, password