PDOException: SQLSTATE[HY000] [1045] Access denied for user 'assislgc_root'@'localhost' (using password: YES) in /home1/watass/public_html/vendor/yiisoft/yii2/db/Connection.php:698
Stack trace:
#0 /home1/watass/public_html/vendor/yiisoft/yii2/db/Connection.php(698): PDO->__construct('mysql:host=loca...', 'assislgc_root', Object(SensitiveParameterValue), NULL)
#1 /home1/watass/public_html/vendor/yiisoft/yii2/db/Connection.php(624): yii\db\Connection->createPdoInstance()
#2 /home1/watass/public_html/vendor/yiisoft/yii2/db/Connection.php(1015): yii\db\Connection->open()
#3 /home1/watass/public_html/vendor/yiisoft/yii2/db/Connection.php(1002): yii\db\Connection->getMasterPdo()
#4 /home1/watass/public_html/vendor/yiisoft/yii2/db/mysql/QueryBuilder.php(393): yii\db\Connection->getSlavePdo()
#5 /home1/watass/public_html/vendor/yiisoft/yii2/db/mysql/QueryBuilder.php(412): yii\db\mysql\QueryBuilder->supportsFractionalSeconds()
#6 /home1/watass/public_html/vendor/yiisoft/yii2/db/mysql/QueryBuilder.php(57): yii\db\mysql\QueryBuilder->defaultTimeTypeMap()
#7 /home1/watass/public_html/vendor/yiisoft/yii2/base/BaseObject.php(109): yii\db\mysql\QueryBuilder->init()
#8 /home1/watass/public_html/vendor/yiisoft/yii2/db/QueryBuilder.php(116): yii\base\BaseObject->__construct(Array)
#9 /home1/watass/public_html/vendor/yiisoft/yii2/db/mysql/Schema.php(217): yii\db\QueryBuilder->__construct(Object(yii\db\Connection))
#10 /home1/watass/public_html/vendor/yiisoft/yii2/db/Schema.php(248): yii\db\mysql\Schema->createQueryBuilder()
#11 /home1/watass/public_html/vendor/yiisoft/yii2/db/Connection.php(849): yii\db\Schema->getQueryBuilder()
#12 /home1/watass/public_html/vendor/yiisoft/yii2/db/ActiveQuery.php(328): yii\db\Connection->getQueryBuilder()
#13 /home1/watass/public_html/vendor/yiisoft/yii2/db/Query.php(274): yii\db\ActiveQuery->createCommand(Object(yii\db\Connection))
#14 /home1/watass/public_html/vendor/yiisoft/yii2/db/ActiveQuery.php(304): yii\db\Query->one(NULL)
#15 /home1/watass/public_html/frontend/controllers/SiteController.php(106): yii\db\ActiveQuery->one()
#16 [internal function]: frontend\controllers\SiteController->actionIndex()
#17 /home1/watass/public_html/vendor/yiisoft/yii2/base/InlineAction.php(57): call_user_func_array(Array, Array)
#18 /home1/watass/public_html/vendor/yiisoft/yii2/base/Controller.php(157): yii\base\InlineAction->runWithParams(Array)
#19 /home1/watass/public_html/vendor/yiisoft/yii2/base/Module.php(528): yii\base\Controller->runAction('index', Array)
#20 /home1/watass/public_html/vendor/yiisoft/yii2/web/Application.php(103): yii\base\Module->runAction('site/index', Array)
#21 /home1/watass/public_html/vendor/yiisoft/yii2/base/Application.php(386): yii\web\Application->handleRequest(Object(yii\web\Request))
#22 /home1/watass/public_html/index.php(17): yii\base\Application->run()
#23 {main}

Next yii\db\Exception: SQLSTATE[HY000] [1045] Access denied for user 'assislgc_root'@'localhost' (using password: YES) in /home1/watass/public_html/vendor/yiisoft/yii2/db/Connection.php:635
Stack trace:
#0 /home1/watass/public_html/vendor/yiisoft/yii2/db/Connection.php(1015): yii\db\Connection->open()
#1 /home1/watass/public_html/vendor/yiisoft/yii2/db/Connection.php(1002): yii\db\Connection->getMasterPdo()
#2 /home1/watass/public_html/vendor/yiisoft/yii2/db/mysql/QueryBuilder.php(393): yii\db\Connection->getSlavePdo()
#3 /home1/watass/public_html/vendor/yiisoft/yii2/db/mysql/QueryBuilder.php(412): yii\db\mysql\QueryBuilder->supportsFractionalSeconds()
#4 /home1/watass/public_html/vendor/yiisoft/yii2/db/mysql/QueryBuilder.php(57): yii\db\mysql\QueryBuilder->defaultTimeTypeMap()
#5 /home1/watass/public_html/vendor/yiisoft/yii2/base/BaseObject.php(109): yii\db\mysql\QueryBuilder->init()
#6 /home1/watass/public_html/vendor/yiisoft/yii2/db/QueryBuilder.php(116): yii\base\BaseObject->__construct(Array)
#7 /home1/watass/public_html/vendor/yiisoft/yii2/db/mysql/Schema.php(217): yii\db\QueryBuilder->__construct(Object(yii\db\Connection))
#8 /home1/watass/public_html/vendor/yiisoft/yii2/db/Schema.php(248): yii\db\mysql\Schema->createQueryBuilder()
#9 /home1/watass/public_html/vendor/yiisoft/yii2/db/Connection.php(849): yii\db\Schema->getQueryBuilder()
#10 /home1/watass/public_html/vendor/yiisoft/yii2/db/ActiveQuery.php(328): yii\db\Connection->getQueryBuilder()
#11 /home1/watass/public_html/vendor/yiisoft/yii2/db/Query.php(274): yii\db\ActiveQuery->createCommand(Object(yii\db\Connection))
#12 /home1/watass/public_html/vendor/yiisoft/yii2/db/ActiveQuery.php(304): yii\db\Query->one(NULL)
#13 /home1/watass/public_html/frontend/controllers/SiteController.php(106): yii\db\ActiveQuery->one()
#14 [internal function]: frontend\controllers\SiteController->actionIndex()
#15 /home1/watass/public_html/vendor/yiisoft/yii2/base/InlineAction.php(57): call_user_func_array(Array, Array)
#16 /home1/watass/public_html/vendor/yiisoft/yii2/base/Controller.php(157): yii\base\InlineAction->runWithParams(Array)
#17 /home1/watass/public_html/vendor/yiisoft/yii2/base/Module.php(528): yii\base\Controller->runAction('index', Array)
#18 /home1/watass/public_html/vendor/yiisoft/yii2/web/Application.php(103): yii\base\Module->runAction('site/index', Array)
#19 /home1/watass/public_html/vendor/yiisoft/yii2/base/Application.php(386): yii\web\Application->handleRequest(Object(yii\web\Request))
#20 /home1/watass/public_html/index.php(17): yii\base\Application->run()
#21 {main}
Additional Information:
Array
(
    [0] => HY000
    [1] => 1045
    [2] => Access denied for user 'assislgc_root'@'localhost' (using password: YES)
)
<pre>An Error occurred while handling another error:
yii\web\HeadersAlreadySentException: Headers already sent in /home1/watass/public_html/frontend/controllers/SiteController.php on line 147. in /home1/watass/public_html/vendor/yiisoft/yii2/web/Response.php:366
Stack trace:
#0 /home1/watass/public_html/vendor/yiisoft/yii2/web/Response.php(339): yii\web\Response-&gt;sendHeaders()
#1 /home1/watass/public_html/vendor/yiisoft/yii2/web/ErrorHandler.php(136): yii\web\Response-&gt;send()
#2 /home1/watass/public_html/vendor/yiisoft/yii2/base/ErrorHandler.php(111): yii\web\ErrorHandler-&gt;renderException(Object(yii\web\HeadersAlreadySentException))
#3 [internal function]: yii\base\ErrorHandler-&gt;handleException(Object(yii\web\HeadersAlreadySentException))
#4 {main}
Previous exception:
yii\web\HeadersAlreadySentException: Headers already sent in /home1/watass/public_html/frontend/controllers/SiteController.php on line 147. in /home1/watass/public_html/vendor/yiisoft/yii2/web/Response.php:366
Stack trace:
#0 /home1/watass/public_html/vendor/yiisoft/yii2/web/Response.php(339): yii\web\Response-&gt;sendHeaders()
#1 /home1/watass/public_html/vendor/yiisoft/yii2/base/Application.php(392): yii\web\Response-&gt;send()
#2 /home1/watass/public_html/index.php(17): yii\base\Application-&gt;run()
#3 {main}</pre>