Fatal error: Uncaught Error: Call to undefined function IncludeModuleLangFile() in D:\ktt\ttepla.com\public_html\bitrix\modules\main\install\wizard_sol\panel_button.php:11
Stack trace:
#0 {main}
thrown in D:\ktt\ttepla.com\public_html\bitrix\modules\main\install\wizard_sol\panel_button.php on line 11