Class yii\base\UserException

Inheritance	yii\base\UserException » yii\base\Exception » Exception
Subclasses	yii\base\InvalidRouteException, yii\console\Exception, yii\console\UnknownCommandException, yii\web\BadRequestHttpException, yii\web\ConflictHttpException, yii\web\ForbiddenHttpException, yii\web\GoneHttpException, yii\web\HttpException, yii\web\MethodNotAllowedHttpException, yii\web\NotAcceptableHttpException, yii\web\NotFoundHttpException, yii\web\RangeNotSatisfiableHttpException, yii\web\ServerErrorHttpException, yii\web\TooManyRequestsHttpException, yii\web\UnauthorizedHttpException, yii\web\UnprocessableEntityHttpException, yii\web\UnsupportedMediaTypeHttpException
Available since version	2.0
Source Code	https://github.com/yiisoft/yii2/blob/master/framework/base/UserException.php

UserException is the base class for exceptions that are meant to be shown to end users.

Such exceptions are often caused by mistakes of end users.

Public Methods

Method	Description	Defined By
getName()		yii\base\Exception

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Licensed under the three clause BSD license.
http://www.yiiframework.com/doc-2.0/yii-base-userexception.html