Error coming soon plugin

Warning: include_once(/home/users2/a/avgley/domains/corall-life.ru/administrator/components/com_acymailing/helpers/helper.php): in /home/users2/a/avgley/domains/corall-life.ru/plugins/system/juxcomingsoon/juxcomingsoon.php on line 31

Warning: include_once(): Failed opening '/home/users2/a/avgley/domains/corall-life.ru/administrator/components/com_acymailing/helpers/helper.php' for inclusion (include_path='.:/usr/local/zend-5.4/share/pear') in /home/users2/a/avgley/domains/corall-life.ru/plugins/system/juxcomingsoon/juxcomingsoon.php on line 31

What can I do?

This problem was solved.
There is a new problem. Includes a plug. Updating the page. He turned off. On the front-end intact. I turn again. Updating. Again off.

Hi Alexander
Thanks for contacting us and choosing our product!
I am sorry. I don't understand you problem. please description in more detail
Thanks!

OK!

Try to switch on plugin JUX Coming Soon

corall-life.ru/administrator

Hi Alexander
Please do not send account via forum.
Your problem has been resolved. Please check again.
I edit config Year (2015 -> 2016) tab CountDown.

Hope this help!
If you really like our product please write a review and vote 100 points for us at:

extensions.joomla.org/extension/jux-coming-soon

It will help us very much to develop our product! Many thanks!