Joomla Extension AS Menu - Item Support

Hi. errors began with the entry of the 2nd menu.
"Fatal error: Cannot redeclare class modasmenuhelper in /var/www/u6288763/data/www/technoen.ru/modules/mod_as_menu/helper.php on line 14"
how to fix this error?
thank you in advance!
Hello XXXXTESD,
What is your site url please? If you are using this module with our template please use appropriate template support page.

Regards, AS Team.
http://www.technoen.ru

at the opening session, the error disappears after a page refresh. but each new session, it pops up. the mobile version 8 creates menus that duplicate each other.
template, extended license
Item Name:
AS Menu
Author:
Downloads:
37061
Sales:
890
Created:
2013-02-23
Updated:
2015-03-10
Item Version:
2.0.0
$12.00
Regular License
This item may be used for a single domain only.
$23.00
Extended License

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