count(): Parameter must be an array or an object that implements Countable
#0 [internal function]: yii\base\ErrorHandler->handleError()
#1 /var/www/da-info.pro/frontend/modules/search/models/TagSearch.php(21): count()
#2 /var/www/da-info.pro/frontend/modules/search/controllers/TagController.php(36): frontend\modules\search\models\TagSearch->search()
#3 [internal function]: frontend\modules\search\controllers\TagController->actionIndex()
#4 /var/www/da-info.pro/vendor/yiisoft/yii2/base/InlineAction.php(57): call_user_func_array()
#5 /var/www/da-info.pro/vendor/yiisoft/yii2/base/Controller.php(178): yii\base\InlineAction->runWithParams()
#6 /var/www/da-info.pro/vendor/yiisoft/yii2/base/Module.php(552): yii\base\Controller->runAction()
#7 /var/www/da-info.pro/vendor/yiisoft/yii2/web/Application.php(103): yii\base\Module->runAction()
#8 /var/www/da-info.pro/vendor/yiisoft/yii2/base/Application.php(384): yii\web\Application->handleRequest()
#9 /var/www/da-info.pro/frontend/web/index.php(20): yii\base\Application->run()
#10 {main}
An internal server error occurred.