Exception (Database Exception) 'yii\db\Exception' with message 'SQLSTATE[HY000] [1049] Unknown database 'yii2basic_test'' 

in D:\xampp\htdocs\cicilan\vendor\yiisoft\yii2\db\Connection.php:648

Stack trace:
#0 D:\xampp\htdocs\cicilan\vendor\yiisoft\yii2\db\Connection.php(1067): yii\db\Connection->open()
#1 D:\xampp\htdocs\cicilan\vendor\yiisoft\yii2\db\Connection.php(1054): yii\db\Connection->getMasterPdo()
#2 D:\xampp\htdocs\cicilan\vendor\yiisoft\yii2\db\Command.php(261): yii\db\Connection->getSlavePdo(true)
#3 D:\xampp\htdocs\cicilan\vendor\yiisoft\yii2\db\Command.php(1181): yii\db\Command->prepare(true)
#4 D:\xampp\htdocs\cicilan\vendor\yiisoft\yii2\db\Command.php(417): yii\db\Command->queryInternal('fetchAll', NULL)
#5 D:\xampp\htdocs\cicilan\vendor\yiisoft\yii2\db\mysql\Schema.php(366): yii\db\Command->queryAll()
#6 D:\xampp\htdocs\cicilan\vendor\yiisoft\yii2\db\mysql\Schema.php(134): yii\db\mysql\Schema->findColumns(Object(yii\db\TableSchema))
#7 D:\xampp\htdocs\cicilan\vendor\yiisoft\yii2\db\Schema.php(756): yii\db\mysql\Schema->loadTableSchema('user')
#8 D:\xampp\htdocs\cicilan\vendor\yiisoft\yii2\db\Schema.php(192): yii\db\Schema->getTableMetadata('{{%user}}', 'schema', false)
#9 D:\xampp\htdocs\cicilan\vendor\yiisoft\yii2\db\ActiveRecord.php(445): yii\db\Schema->getTableSchema('{{%user}}')
#10 D:\xampp\htdocs\cicilan\vendor\yiisoft\yii2\db\ActiveRecord.php(269): yii\db\ActiveRecord::getTableSchema()
#11 D:\xampp\htdocs\cicilan\vendor\yiisoft\yii2\db\ActiveRecord.php(241): yii\db\ActiveRecord::filterValidColumnNames(Object(yii\db\Connection), Array)
#12 D:\xampp\htdocs\cicilan\vendor\yiisoft\yii2\db\ActiveRecord.php(198): yii\db\ActiveRecord::filterCondition(Array, Array)
#13 D:\xampp\htdocs\cicilan\vendor\yiisoft\yii2\db\BaseActiveRecord.php(110): yii\db\ActiveRecord::findByCondition(Array)
#14 D:\xampp\htdocs\cicilan\models\User.php(33): yii\db\BaseActiveRecord::findOne(Array)
#15 D:\xampp\htdocs\cicilan\models\LoginForm.php(76): app\models\User::findByUsername('admin')
#16 D:\xampp\htdocs\cicilan\models\LoginForm.php(48): app\models\LoginForm->getUser()
#17 D:\xampp\htdocs\cicilan\vendor\yiisoft\yii2\validators\InlineValidator.php(77): app\models\LoginForm->validatePassword('password', NULL, Object(yii\validators\InlineValidator), 'admin')
#18 D:\xampp\htdocs\cicilan\vendor\yiisoft\yii2\validators\Validator.php(260): yii\validators\InlineValidator->validateAttribute(Object(app\models\LoginForm), 'password')
#19 D:\xampp\htdocs\cicilan\vendor\yiisoft\yii2\base\Model.php(389): yii\validators\Validator->validateAttributes(Object(app\models\LoginForm), Array)
#20 D:\xampp\htdocs\cicilan\models\LoginForm.php(62): yii\base\Model->validate()
#21 D:\xampp\htdocs\cicilan\controllers\SiteController.php(79): app\models\LoginForm->login()
#22 [internal function]: app\controllers\SiteController->actionLogin()
#23 D:\xampp\htdocs\cicilan\vendor\yiisoft\yii2\base\InlineAction.php(60): call_user_func_array(Array, Array)
#24 D:\xampp\htdocs\cicilan\vendor\yiisoft\yii2\base\Controller.php(184): yii\base\InlineAction->runWithParams(Array)
#25 D:\xampp\htdocs\cicilan\vendor\yiisoft\yii2\base\Module.php(555): yii\base\Controller->runAction('login', Array)
#26 D:\xampp\htdocs\cicilan\vendor\yiisoft\yii2\web\Application.php(103): yii\base\Module->runAction('site/login', Array)
#27 D:\xampp\htdocs\cicilan\vendor\yiisoft\yii2\base\Application.php(387): yii\web\Application->handleRequest(Object(yii\web\Request))
#28 D:\xampp\htdocs\cicilan\web\index-test.php(16): yii\base\Application->run()
#29 {main}