Fatal error: Uncaught PDOException: SQLSTATE[HY000] [1040] Too many connections in /w3/lt.vu.www12032/www/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connectors/Connector.php:70
Stack trace:
#0 /w3/lt.vu.www12032/www/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connectors/Connector.php(70): PDO->__construct('mysql:host=172....', 'www12032', '89lKqjn.4Mn', Array)
#1 /w3/lt.vu.www12032/www/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connectors/Connector.php(46): Illuminate\Database\Connectors\Connector->createPdoConnection('mysql:host=172....', 'www12032', '89lKqjn.4Mn', Array)
#2 /w3/lt.vu.www12032/www/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connectors/MySqlConnector.php(24): Illuminate\Database\Connectors\Connector->createConnection('mysql:host=172....', Array, Array)
#3 /w3/lt.vu.www12032/www/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connectors/ConnectionFactory.php(184): Illuminate\Database\Connectors\MySqlConnector->connect(Array)
#4 [internal function]: Illuminate\Database\Connectors\ConnectionFactory->Illuminate\Database\Connectors\{closure}()
#5 /w3/lt.vu.www12032/www/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(1181): call_user_func(Object(Closure))
#6 /w3/lt.vu.www12032/www/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(539): Illuminate\Database\Connection->getPdo()
#7 /w3/lt.vu.www12032/www/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(753): Illuminate\Database\Connection->Illuminate\Database\{closure}('SET time_zone =...', Array)
#8 /w3/lt.vu.www12032/www/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(720): Illuminate\Database\Connection->runQueryCallback('SET time_zone =...', Array, Object(Closure))
#9 /w3/lt.vu.www12032/www/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(546): Illuminate\Database\Connection->run('SET time_zone =...', Array, Object(Closure))
#10 /w3/lt.vu.www12032/www/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/DatabaseManager.php(469): Illuminate\Database\Connection->statement('SET time_zone =...')
#11 /w3/lt.vu.www12032/www/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Support/Facades/Facade.php(338): Illuminate\Database\DatabaseManager->__call('statement', Array)
#12 /w3/lt.vu.www12032/www/lib/pkp/classes/core/PKPApplication.php(268): Illuminate\Support\Facades\Facade::__callStatic('statement', Array)
#13 /w3/lt.vu.www12032/www/lib/pkp/classes/core/PKPApplication.php(230): PKP\core\PKPApplication->initializeTimeZone()
#14 /w3/lt.vu.www12032/www/lib/pkp/classes/core/PKPApplication.php(200): PKP\core\PKPApplication->initializeLaravelContainer()
#15 /w3/lt.vu.www12032/www/classes/core/Application.php(50): PKP\core\PKPApplication->__construct()
#16 /w3/lt.vu.www12032/www/lib/pkp/includes/bootstrap.php(37): APP\core\Application->__construct()
#17 /w3/lt.vu.www12032/www/index.php(51): require_once('/w3/lt.vu.www12...')
#18 {main}

Next Illuminate\Database\QueryException: SQLSTATE[HY000] [1040] Too many connections (SQL: SET time_zone = '+00:00') in /w3/lt.vu.www12032/www/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php:760
Stack trace:
#0 /w3/lt.vu.www12032/www/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(720): Illuminate\Database\Connection->runQueryCallback('SET time_zone =...', Array, Object(Closure))
#1 /w3/lt.vu.www12032/www/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(546): Illuminate\Database\Connection->run('SET time_zone =...', Array, Object(Closure))
#2 /w3/lt.vu.www12032/www/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/DatabaseManager.php(469): Illuminate\Database\Connection->statement('SET time_zone =...')
#3 /w3/lt.vu.www12032/www/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Support/Facades/Facade.php(338): Illuminate\Database\DatabaseManager->__call('statement', Array)
#4 /w3/lt.vu.www12032/www/lib/pkp/classes/core/PKPApplication.php(268): Illuminate\Support\Facades\Facade::__callStatic('statement', Array)
#5 /w3/lt.vu.www12032/www/lib/pkp/classes/core/PKPApplication.php(230): PKP\core\PKPApplication->initializeTimeZone()
#6 /w3/lt.vu.www12032/www/lib/pkp/classes/core/PKPApplication.php(200): PKP\core\PKPApplication->initializeLaravelContainer()
#7 /w3/lt.vu.www12032/www/classes/core/Application.php(50): PKP\core\PKPApplication->__construct()
#8 /w3/lt.vu.www12032/www/lib/pkp/includes/bootstrap.php(37): APP\core\Application->__construct()
#9 /w3/lt.vu.www12032/www/index.php(51): require_once('/w3/lt.vu.www12...')
#10 {main}
  thrown in /w3/lt.vu.www12032/www/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php on line 760