Fatal error: Uncaught Error: Undefined constant "no" in /volume1/web/2017/modules/referer/referer.model.php:204
Stack trace:
#0 /volume1/web/2017/modules/referer/referer.controller.php(35): refererModel->isBot('Mozilla/5.0 App...')
#1 /volume1/web/2017/addons/referer/referer.addon.php(24): refererController->procRefererExecute()
#2 /volume1/web/2017/files/cache/addons/0pc.acivated_addons.cache.php(128): include('/volume1/web/20...')
#3 /volume1/web/2017/classes/module/ModuleHandler.class.php(115): include('/volume1/web/20...')
#4 /volume1/web/2017/index.php(88): ModuleHandler->__construct()
#5 {main}
  thrown in /volume1/web/2017/modules/referer/referer.model.php on line 204