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Error

Call to a member function toString() on null
File: /s/inet/web/adept.travel/dev/Library/AdeptCMS/Model/Item/UserAgent.php(95)
0: /s/inet/web/adept.travel/dev/Library/AdeptCMS/Application/Session.php Line: 43 - AdeptCMS\Model\Item\UserAgent::__construct
1: /s/inet/web/adept.travel/dev/Library/AdeptCMS/Application.php Line: 62 - AdeptCMS\Application\Session::__construct
2: /s/inet/web/adept.travel/dev/index.php Line: 11 - AdeptCMS\Application::__construct