突然间，任何迁移命令都无法在我的项目中运行，我不知道为什么。以下是cmd中的错误。
C:\wamp64\www\project>yii migrate
Exception 'yii\base\InvalidConfigException' with message 'Failed to instantiate component or class "user".'
in C:\wamp64\www\project\vendor\yiisoft\yii2\di\Instance.php:139
Stack trace:
#0 C:\wamp64\www\project\vendor\yiisoft\yii2\filters\AccessControl.php(100): yii\di\Instance::ensure(Object(yii\di\Instance), 'yii\\web\\User')
#1 C:\wamp64\www\project\vendor\yiisoft\yii2\base\Object.php(107): yii\filters\AccessControl->init()
#2 [internal function]: yii\base\Object->__construct(Array)
#3 C:\wamp64\www\project\vendor\yiisoft\yii2\di\Container.php(381): ReflectionClass->newInstanceArgs(Array)
#4 C:\wamp64\www\project\vendor\yiisoft\yii2\di\Container.php(156): yii\di\Container->build('yii\\filters\\Acc...', Array, Array)
#5 C:\wamp64\www\project\vendor\yiisoft\yii2\BaseYii.php(348): yii\di\Container->get('yii\\filters\\Acc...', Array, Array)
#6 C:\wamp64\www\project\vendor\yiisoft\yii2\base\Component.php(183): yii\BaseYii::createObject(Array)
#7 C:\wamp64\www\project\vendor\yiisoft\yii2\BaseYii.php(529): yii\base\Component->__set('beforeRequest', Array)
#8 C:\wamp64\www\project\vendor\yiisoft\yii2\base\Object.php(105): yii\BaseYii::configure(Object(yii\console\Application), Array)
#9 C:\wamp64\www\project\vendor\yiisoft\yii2\base\Application.php(205): yii\base\Object->__construct(Array)
#10 C:\wamp64\www\project\vendor\yiisoft\yii2\console\Application.php(89): yii\base\Application->__construct(Array)
#11 C:\wamp64\www\project\yii(26): yii\console\Application->__construct(Array)
#12 {main}
请帮我解决。