Error

PHP User Erroryii\base\ErrorException

Exception (Database Exception) 'yii\db\Exception' with message 'SQLSTATE[HY000] [2002] No such file or directory'

in /var/www/sintret.com/web/vendor/yiisoft/yii2/db/Connection.php:534

Stack trace:
#0 /var/www/sintret.com/web/vendor/yiisoft/yii2/db/Connection.php(836): yii\db\Connection->open()
#1 /var/www/sintret.com/web/vendor/yiisoft/yii2/db/Connection.php(823): yii\db\Connection->getMasterPdo()
#2 /var/www/sintret.com/web/vendor/yiisoft/yii2/db/Schema.php(477): yii\db\Connection->getSlavePdo()
#3 /var/www/sintret.com/web/vendor/yiisoft/yii2/db/Connection.php(732): yii\db\Schema->quoteValue('akn0nheu1bbqi48...')
#4 /var/www/sintret.com/web/vendor/yiisoft/yii2/db/Command.php(172): yii\db\Connection->quoteValue('akn0nheu1bbqi48...')
#5 /var/www/sintret.com/web/vendor/yiisoft/yii2/db/Command.php(806): yii\db\Command->getRawSql()
#6 /var/www/sintret.com/web/vendor/yiisoft/yii2/db/Command.php(385): yii\db\Command->queryInternal('fetchColumn', 0)
#7 /var/www/sintret.com/web/vendor/yiisoft/yii2/db/Query.php(256): yii\db\Command->queryScalar()
#8 /var/www/sintret.com/web/vendor/yiisoft/yii2/web/DbSession.php(147): yii\db\Query->scalar(Object(yii\db\Connection))
#9 [internal function]: yii\web\DbSession->readSession('akn0nheu1bbqi48...')
#10 /var/www/sintret.com/web/vendor/yiisoft/yii2/web/Session.php(127): session_start()
#11 /var/www/sintret.com/web/vendor/yiisoft/yii2/captcha/CaptchaAction.php(164): yii\web\Session->open()
#12 /var/www/sintret.com/web/vendor/yiisoft/yii2/captcha/CaptchaValidator.php(90): yii\captcha\CaptchaAction->getVerifyCode(false)
#13 /var/www/sintret.com/web/vendor/yiisoft/yii2/widgets/ActiveField.php(699): yii\captcha\CaptchaValidator->clientValidateAttribute(Object(frontend\models\ContactForm), 'verifyCode', Object(yii\web\View))
#14 /var/www/sintret.com/web/vendor/yiisoft/yii2/widgets/ActiveField.php(210): yii\widgets\ActiveField->getClientOptions()
#15 /var/www/sintret.com/web/vendor/yiisoft/yii2/widgets/ActiveField.php(200): yii\widgets\ActiveField->begin()
#16 /var/www/sintret.com/web/vendor/yiisoft/yii2-bootstrap/ActiveField.php(187): yii\widgets\ActiveField->render('<label class="c...')
#17 /var/www/sintret.com/web/vendor/yiisoft/yii2/widgets/ActiveField.php(156): yii\bootstrap\ActiveField->render()
#18 /var/www/sintret.com/web/frontend/views/site/contact.php(31): yii\widgets\ActiveField->__toString()
#19 /var/www/sintret.com/web/vendor/yiisoft/yii2/base/View.php(325): require('/var/www/sintre...')
#20 /var/www/sintret.com/web/vendor/yiisoft/yii2/base/View.php(247): yii\base\View->renderPhpFile('/var/www/sintre...', Array)
#21 /var/www/sintret.com/web/vendor/yiisoft/yii2/base/View.php(149): yii\base\View->renderFile('/var/www/sintre...', Array, Object(frontend\controllers\SiteController))
#22 /var/www/sintret.com/web/vendor/yiisoft/yii2/base/Controller.php(371): yii\base\View->render('contact', Array, Object(frontend\controllers\SiteController))
#23 /var/www/sintret.com/web/frontend/controllers/SiteController.php(255): yii\base\Controller->render('contact', Array)
#24 [internal function]: frontend\controllers\SiteController->actionContact()
#25 /var/www/sintret.com/web/vendor/yiisoft/yii2/base/InlineAction.php(55): call_user_func_array(Array, Array)
#26 /var/www/sintret.com/web/vendor/yiisoft/yii2/base/Controller.php(151): yii\base\InlineAction->runWithParams(Array)
#27 /var/www/sintret.com/web/vendor/yiisoft/yii2/base/Module.php(455): yii\base\Controller->runAction('contact', Array)
#28 /var/www/sintret.com/web/vendor/yiisoft/yii2/web/Application.php(84): yii\base\Module->runAction('site/contact', Array)
#29 /var/www/sintret.com/web/vendor/yiisoft/yii2/base/Application.php(375): yii\web\Application->handleRequest(Object(yii\web\Request))
#30 /var/www/sintret.com/web/frontend/web/index.php(18): yii\base\Application->run()
#31 {main}

$_SERVER = [
    'USER' => 'ispconfig',
    'HOME' => '/usr/local/ispconfig',
    'HTTP_USER_AGENT' => 'claudebot',
    'HTTP_ACCEPT' => '*/*',
    'HTTP_HOST' => 'sintret.com',
    'SCRIPT_FILENAME' => '/var/www/sintret.com/web/frontend/web/index.php',
    'REDIRECT_STATUS' => '200',
    'SERVER_NAME' => 'sintret.com',
    'SERVER_PORT' => '443',
    'SERVER_ADDR' => '206.189.94.166',
    'REMOTE_PORT' => '44108',
    'REMOTE_ADDR' => '3.236.111.234',
    'SERVER_SOFTWARE' => 'nginx/1.10.3',
    'GATEWAY_INTERFACE' => 'CGI/1.1',
    'HTTPS' => 'on',
    'REQUEST_SCHEME' => 'https',
    'SERVER_PROTOCOL' => 'HTTP/2.0',
    'DOCUMENT_ROOT' => '/var/www/sintret.com/web',
    'DOCUMENT_URI' => '/frontend/web/index.php',
    'REQUEST_URI' => '/contact',
    'SCRIPT_NAME' => '/frontend/web/index.php',
    'CONTENT_LENGTH' => '',
    'CONTENT_TYPE' => '',
    'REQUEST_METHOD' => 'GET',
    'QUERY_STRING' => '',
    'FCGI_ROLE' => 'RESPONDER',
    'PHP_SELF' => '/frontend/web/index.php',
    'REQUEST_TIME_FLOAT' => 1710820074.9119921,
    'REQUEST_TIME' => 1710820074,
];
Exception (Database Exception) 'yii\db\Exception' with message 'SQLSTATE[HY000] [2002] No such file or directory' in /var/www/sintret.com/web/vendor/yiisoft/yii2/db/Connection.php:534 Stack trace: #0 /var/www/sintret.com/web/vendor/yiisoft/yii2/db/Connection.php(836): yii\db\Connection->open() #1 /var/www/sintret.com/web/vendor/yiisoft/yii2/db/Connection.php(823): yii\db\Connection->getMasterPdo() #2 /var/www/sintret.com/web/vendor/yiisoft/yii2/db/Schema.php(477): yii\db\Connection->getSlavePdo() #3 /var/www/sintret.com/web/vendor/yiisoft/yii2/db/Connection.php(732): yii\db\Schema->quoteValue('akn0nheu1bbqi48...') #4 /var/www/sintret.com/web/vendor/yiisoft/yii2/db/Command.php(172): yii\db\Connection->quoteValue('akn0nheu1bbqi48...') #5 /var/www/sintret.com/web/vendor/yiisoft/yii2/db/Command.php(806): yii\db\Command->getRawSql() #6 /var/www/sintret.com/web/vendor/yiisoft/yii2/db/Command.php(385): yii\db\Command->queryInternal('fetchColumn', 0) #7 /var/www/sintret.com/web/vendor/yiisoft/yii2/web/DbSession.php(168): yii\db\Command->queryScalar() #8 [internal function]: yii\web\DbSession->writeSession('akn0nheu1bbqi48...', '') #9 /var/www/sintret.com/web/vendor/yiisoft/yii2/web/Session.php(171): session_write_close() #10 [internal function]: yii\web\Session->close() #11 {main}