Critical Error

SQLSTATE[HY000] [2002] Connection refused (SQL: select * from `tblconfiguration` where `tblconfiguration`.`setting` = trustedProxyIps limit 1)

PDOException: SQLSTATE[HY000] [2002] Connection refused in /home/sybellcenter/public_html/vendor/illuminate/database/Connectors/Connector.php:70
Stack trace:
#0 /home/sybellcenter/public_html/vendor/illuminate/database/Connectors/Connector.php(70): PDO->__construct('mysql:host=loca...', 'sybell', Object(SensitiveParameterValue), Array)
#1 /home/sybellcenter/public_html/vendor/illuminate/database/Connectors/Connector.php(100): Illuminate\Database\Connectors\Connector->createPdoConnection('mysql:host=loca...', 'sybell', 'BuN(kJV@7TwO', Array)
#2 /home/sybellcenter/public_html/vendor/illuminate/database/Connectors/Connector.php(49): Illuminate\Database\Connectors\Connector->tryAgainIfCausedByLostConnection(Object(PDOException), 'mysql:host=loca...', 'sybell', 'BuN(kJV@7TwO', Array)
#3 /home/sybellcenter/public_html/vendor/illuminate/database/Connectors/MySqlConnector.php(24): Illuminate\Database\Connectors\Connector->createConnection('mysql:host=loca...', Array, Array)
#4 /home/sybellcenter/public_html/vendor/illuminate/database/Connectors/ConnectionFactory.php(182): Illuminate\Database\Connectors\MySqlConnector->connect(Array)
#5 [internal function]: Illuminate\Database\Connectors\ConnectionFactory->Illuminate\Database\Connectors\{closure}()
#6 /home/sybellcenter/public_html/vendor/illuminate/database/Connection.php(926): call_user_func(Object(Closure))
#7 /home/sybellcenter/public_html/vendor/illuminate/database/Connection.php(961): Illuminate\Database\Connection->getPdo()
#8 /home/sybellcenter/public_html/vendor/illuminate/database/Connection.php(405): Illuminate\Database\Connection->getReadPdo()
#9 /home/sybellcenter/public_html/vendor/illuminate/database/Connection.php(331): Illuminate\Database\Connection->getPdoForSelect(true)
#10 /home/sybellcenter/public_html/vendor/illuminate/database/Connection.php(664): Illuminate\Database\Connection->Illuminate\Database\{closure}('select * from `...', Array)
#11 /home/sybellcenter/public_html/vendor/illuminate/database/Connection.php(745): Illuminate\Database\Connection->runQueryCallback('select * from `...', Array, Object(Closure))
#12 /home/sybellcenter/public_html/vendor/illuminate/database/Connection.php(724): Illuminate\Database\Connection->tryAgainIfCausedByLostConnection(Object(Illuminate\Database\QueryException), 'select * from `...', Array, Object(Closure))
#13 /home/sybellcenter/public_html/vendor/illuminate/database/Connection.php(633): Illuminate\Database\Connection->handleQueryException(Object(Illuminate\Database\QueryException), 'select * from `...', Array, Object(Closure))
#14 /home/sybellcenter/public_html/vendor/illuminate/database/Connection.php(322): Illuminate\Database\Connection->run('select * from `...', Array, Object(Closure))
#15 /home/sybellcenter/public_html/vendor/illuminate/database/Query/Builder.php(2201): Illuminate\Database\Connection->select('select * from `...', Array, true)
#16 /home/sybellcenter/public_html/vendor/illuminate/database/Query/Builder.php(2190): Illuminate\Database\Query\Builder->runSelect()
#17 /home/sybellcenter/public_html/vendor/illuminate/database/Query/Builder.php(2685): Illuminate\Database\Query\Builder->Illuminate\Database\Query\{closure}()
#18 /home/sybellcenter/public_html/vendor/illuminate/database/Query/Builder.php(2189): Illuminate\Database\Query\Builder->onceWithColumns(Array, Object(Closure))
#19 /home/sybellcenter/public_html/vendor/illuminate/database/Eloquent/Builder.php(539): Illuminate\Database\Query\Builder->get(Array)
#20 /home/sybellcenter/public_html/vendor/illuminate/database/Eloquent/Builder.php(523): Illuminate\Database\Eloquent\Builder->getModels(Array)
#21 /home/sybellcenter/public_html/vendor/illuminate/database/Concerns/BuildsQueries.php(143): Illuminate\Database\Eloquent\Builder->get(Array)
#22 /home/sybellcenter/public_html/vendor/illuminate/database/Eloquent/Builder.php(345): Illuminate\Database\Eloquent\Builder->first(Array)
#23 /home/sybellcenter/public_html/vendor/illuminate/support/Traits/ForwardsCalls.php(23): Illuminate\Database\Eloquent\Builder->find('trustedProxyIps')
#24 /home/sybellcenter/public_html/vendor/illuminate/database/Eloquent/Model.php(1733): Illuminate\Database\Eloquent\Model->forwardCallTo(Object(Illuminate\Database\Eloquent\Builder), 'find', Array)
#25 /home/sybellcenter/public_html/vendor/illuminate/database/Eloquent/Model.php(1745): Illuminate\Database\Eloquent\Model->__call('find', Array)
#26 /home/sybellcenter/public_html/vendor/whmcs/whmcs-foundation/lib/Config/Setting.php(0): Illuminate\Database\Eloquent\Model::__callStatic('find', Array)
#27 /home/sybellcenter/public_html/vendor/whmcs/whmcs-foundation/lib/Init.php(0): WHMCS\Config\Setting::getValue('trustedProxyIps')
#28 /home/sybellcenter/public_html/vendor/whmcs/whmcs-foundation/lib/Http/Request.php(0): WHMCS\Init->get_config('trustedProxyIps')
#29 /home/sybellcenter/public_html/vendor/whmcs/whmcs-foundation/lib/Application.php(0): WHMCS\Http\Request::defineProxyTrustFromApplication(Object(WHMCS\Application))
#30 /home/sybellcenter/public_html/vendor/whmcs/whmcs-foundation/lib/Application/ApplicationServiceProvider.php(0): WHMCS\Application->__construct(Object(WHMCS\Config\Application), Object(WHMCS\Database))
#31 /home/sybellcenter/public_html/vendor/illuminate/container/Container.php(801): WHMCS\Application\ApplicationServiceProvider->WHMCS\Application\{closure}(Object(WHMCS\Container), Array)
#32 /home/sybellcenter/public_html/vendor/illuminate/container/Container.php(687): Illuminate\Container\Container->build(Object(Closure))
#33 /home/sybellcenter/public_html/vendor/illuminate/container/Container.php(633): Illuminate\Container\Container->resolve('app', Array)
#34 /home/sybellcenter/public_html/vendor/illuminate/container/Container.php(1280): Illuminate\Container\Container->make('app')
#35 /home/sybellcenter/public_html/vendor/illuminate/support/Facades/Facade.php(198): Illuminate\Container\Container->offsetGet('app')
#36 /home/sybellcenter/public_html/vendor/illuminate/support/Facades/Facade.php(166): Illuminate\Support\Facades\Facade::resolveFacadeInstance('app')
#37 /home/sybellcenter/public_html/vendor/whmcs/whmcs-foundation/lib/Application/Support/Facades/Facade.php(0): Illuminate\Support\Facades\Facade::getFacadeRoot()
#38 /home/sybellcenter/public_html/init.php(0): WHMCS\Application\Support\Facades\Facade::self()
#39 /home/sybellcenter/public_html/index.php(0): unknown()
#40 {main}
Next Illuminate\Database\QueryException: SQLSTATE[HY000] [2002] Connection refused (SQL: select * from `tblconfiguration` where `tblconfiguration`.`setting` = trustedProxyIps limit 1) in /home/sybellcenter/public_html/vendor/illuminate/database/Connection.php:671
Stack trace:
#0 /home/sybellcenter/public_html/vendor/illuminate/database/Connection.php(745): Illuminate\Database\Connection->runQueryCallback('select * from `...', Array, Object(Closure))
#1 /home/sybellcenter/public_html/vendor/illuminate/database/Connection.php(724): Illuminate\Database\Connection->tryAgainIfCausedByLostConnection(Object(Illuminate\Database\QueryException), 'select * from `...', Array, Object(Closure))
#2 /home/sybellcenter/public_html/vendor/illuminate/database/Connection.php(633): Illuminate\Database\Connection->handleQueryException(Object(Illuminate\Database\QueryException), 'select * from `...', Array, Object(Closure))
#3 /home/sybellcenter/public_html/vendor/illuminate/database/Connection.php(322): Illuminate\Database\Connection->run('select * from `...', Array, Object(Closure))
#4 /home/sybellcenter/public_html/vendor/illuminate/database/Query/Builder.php(2201): Illuminate\Database\Connection->select('select * from `...', Array, true)
#5 /home/sybellcenter/public_html/vendor/illuminate/database/Query/Builder.php(2190): Illuminate\Database\Query\Builder->runSelect()
#6 /home/sybellcenter/public_html/vendor/illuminate/database/Query/Builder.php(2685): Illuminate\Database\Query\Builder->Illuminate\Database\Query\{closure}()
#7 /home/sybellcenter/public_html/vendor/illuminate/database/Query/Builder.php(2189): Illuminate\Database\Query\Builder->onceWithColumns(Array, Object(Closure))
#8 /home/sybellcenter/public_html/vendor/illuminate/database/Eloquent/Builder.php(539): Illuminate\Database\Query\Builder->get(Array)
#9 /home/sybellcenter/public_html/vendor/illuminate/database/Eloquent/Builder.php(523): Illuminate\Database\Eloquent\Builder->getModels(Array)
#10 /home/sybellcenter/public_html/vendor/illuminate/database/Concerns/BuildsQueries.php(143): Illuminate\Database\Eloquent\Builder->get(Array)
#11 /home/sybellcenter/public_html/vendor/illuminate/database/Eloquent/Builder.php(345): Illuminate\Database\Eloquent\Builder->first(Array)
#12 /home/sybellcenter/public_html/vendor/illuminate/support/Traits/ForwardsCalls.php(23): Illuminate\Database\Eloquent\Builder->find('trustedProxyIps')
#13 /home/sybellcenter/public_html/vendor/illuminate/database/Eloquent/Model.php(1733): Illuminate\Database\Eloquent\Model->forwardCallTo(Object(Illuminate\Database\Eloquent\Builder), 'find', Array)
#14 /home/sybellcenter/public_html/vendor/illuminate/database/Eloquent/Model.php(1745): Illuminate\Database\Eloquent\Model->__call('find', Array)
#15 /home/sybellcenter/public_html/vendor/whmcs/whmcs-foundation/lib/Config/Setting.php(0): Illuminate\Database\Eloquent\Model::__callStatic('find', Array)
#16 /home/sybellcenter/public_html/vendor/whmcs/whmcs-foundation/lib/Init.php(0): WHMCS\Config\Setting::getValue('trustedProxyIps')
#17 /home/sybellcenter/public_html/vendor/whmcs/whmcs-foundation/lib/Http/Request.php(0): WHMCS\Init->get_config('trustedProxyIps')
#18 /home/sybellcenter/public_html/vendor/whmcs/whmcs-foundation/lib/Application.php(0): WHMCS\Http\Request::defineProxyTrustFromApplication(Object(WHMCS\Application))
#19 /home/sybellcenter/public_html/vendor/whmcs/whmcs-foundation/lib/Application/ApplicationServiceProvider.php(0): WHMCS\Application->__construct(Object(WHMCS\Config\Application), Object(WHMCS\Database))
#20 /home/sybellcenter/public_html/vendor/illuminate/container/Container.php(801): WHMCS\Application\ApplicationServiceProvider->WHMCS\Application\{closure}(Object(WHMCS\Container), Array)
#21 /home/sybellcenter/public_html/vendor/illuminate/container/Container.php(687): Illuminate\Container\Container->build(Object(Closure))
#22 /home/sybellcenter/public_html/vendor/illuminate/container/Container.php(633): Illuminate\Container\Container->resolve('app', Array)
#23 /home/sybellcenter/public_html/vendor/illuminate/container/Container.php(1280): Illuminate\Container\Container->make('app')
#24 /home/sybellcenter/public_html/vendor/illuminate/support/Facades/Facade.php(198): Illuminate\Container\Container->offsetGet('app')
#25 /home/sybellcenter/public_html/vendor/illuminate/support/Facades/Facade.php(166): Illuminate\Support\Facades\Facade::resolveFacadeInstance('app')
#26 /home/sybellcenter/public_html/vendor/whmcs/whmcs-foundation/lib/Application/Support/Facades/Facade.php(0): Illuminate\Support\Facades\Facade::getFacadeRoot()
#27 /home/sybellcenter/public_html/init.php(0): WHMCS\Application\Support\Facades\Facade::self()
#28 /home/sybellcenter/public_html/index.php(0): unknown()
#29 {main}