PDOException: SQLSTATE[08006] [7] FATAL:  sorry, too many clients already in /var/www/html/app/vendor/yiisoft/yii2/db/Connection.php:722
Stack trace:
#0 /var/www/html/app/vendor/yiisoft/yii2/db/Connection.php(722): PDO->__construct('pgsql:host=post...', 'comperli', 'yBxvRxMMwalJhOV...', NULL)
#1 /var/www/html/app/vendor/yiisoft/yii2/db/Connection.php(637): yii\db\Connection->createPdoInstance()
#2 /var/www/html/app/vendor/yiisoft/yii2/db/Connection.php(1067): yii\db\Connection->open()
#3 /var/www/html/app/vendor/yiisoft/yii2/db/Connection.php(1054): yii\db\Connection->getMasterPdo()
#4 /var/www/html/app/vendor/yiisoft/yii2/db/Schema.php(461): yii\db\Connection->getSlavePdo(true)
#5 /var/www/html/app/vendor/yiisoft/yii2/db/Connection.php(946): yii\db\Schema->quoteValue('usuario')
#6 /var/www/html/app/vendor/yiisoft/yii2/db/Command.php(211): yii\db\Connection->quoteValue('usuario')
#7 /var/www/html/app/vendor/yiisoft/yii2/db/Command.php(1144): yii\db\Command->getRawSql()
#8 /var/www/html/app/vendor/yiisoft/yii2/db/Command.php(1165): yii\db\Command->logQuery('yii\\db\\Command:...')
#9 /var/www/html/app/vendor/yiisoft/yii2/db/Command.php(417): yii\db\Command->queryInternal('fetchAll', NULL)
#10 /var/www/html/app/vendor/yiisoft/yii2/i18n/DbMessageSource.php(160): yii\db\Command->queryAll()
#11 /var/www/html/app/vendor/yiisoft/yii2/i18n/DbMessageSource.php(131): yii\i18n\DbMessageSource->loadMessagesFromDb('usuario', 'he')
#12 /var/www/html/app/vendor/yiisoft/yii2/i18n/MessageSource.php(107): yii\i18n\DbMessageSource->loadMessages('usuario', 'he')
#13 /var/www/html/app/vendor/yiisoft/yii2/i18n/MessageSource.php(87): yii\i18n\MessageSource->translateMessage('usuario', 'Google Authenti...', 'he')
#14 /var/www/html/app/common/components/I18N.php(15): yii\i18n\MessageSource->translate('usuario', 'Google Authenti...', 'he')
#15 /var/www/html/app/vendor/yiisoft/yii2/BaseYii.php(537): common\components\I18N->translate('usuario', 'Google Authenti...', Array, 'he')
#16 /var/www/html/app/vendor/2amigos/yii2-usuario/src/User/Bootstrap.php(174): yii\BaseYii::t('usuario', 'Google Authenti...')
#17 /var/www/html/app/vendor/2amigos/yii2-usuario/src/User/Bootstrap.php(50): Da\User\Bootstrap->initContainer(Object(yii\web\Application), Array)
#18 /var/www/html/app/vendor/yiisoft/yii2/base/Application.php(295): Da\User\Bootstrap->bootstrap(Object(yii\web\Application))
#19 /var/www/html/app/vendor/yiisoft/yii2/web/Application.php(69): yii\base\Application->bootstrap()
#20 /var/www/html/app/vendor/yiisoft/yii2/base/Application.php(271): yii\web\Application->bootstrap()
#21 /var/www/html/app/vendor/yiisoft/yii2/base/BaseObject.php(109): yii\base\Application->init()
#22 /var/www/html/app/vendor/yiisoft/yii2/base/Application.php(204): yii\base\BaseObject->__construct(Array)
#23 /var/www/html/app/frontend/web/index.php(19): yii\base\Application->__construct(Array)
#24 {main}

Next yii\db\Exception: SQLSTATE[08006] [7] FATAL:  sorry, too many clients already in /var/www/html/app/vendor/yiisoft/yii2/db/Connection.php:648
Stack trace:
#0 /var/www/html/app/vendor/yiisoft/yii2/db/Connection.php(1067): yii\db\Connection->open()
#1 /var/www/html/app/vendor/yiisoft/yii2/db/Connection.php(1054): yii\db\Connection->getMasterPdo()
#2 /var/www/html/app/vendor/yiisoft/yii2/db/Schema.php(461): yii\db\Connection->getSlavePdo(true)
#3 /var/www/html/app/vendor/yiisoft/yii2/db/Connection.php(946): yii\db\Schema->quoteValue('usuario')
#4 /var/www/html/app/vendor/yiisoft/yii2/db/Command.php(211): yii\db\Connection->quoteValue('usuario')
#5 /var/www/html/app/vendor/yiisoft/yii2/db/Command.php(1144): yii\db\Command->getRawSql()
#6 /var/www/html/app/vendor/yiisoft/yii2/db/Command.php(1165): yii\db\Command->logQuery('yii\\db\\Command:...')
#7 /var/www/html/app/vendor/yiisoft/yii2/db/Command.php(417): yii\db\Command->queryInternal('fetchAll', NULL)
#8 /var/www/html/app/vendor/yiisoft/yii2/i18n/DbMessageSource.php(160): yii\db\Command->queryAll()
#9 /var/www/html/app/vendor/yiisoft/yii2/i18n/DbMessageSource.php(131): yii\i18n\DbMessageSource->loadMessagesFromDb('usuario', 'he')
#10 /var/www/html/app/vendor/yiisoft/yii2/i18n/MessageSource.php(107): yii\i18n\DbMessageSource->loadMessages('usuario', 'he')
#11 /var/www/html/app/vendor/yiisoft/yii2/i18n/MessageSource.php(87): yii\i18n\MessageSource->translateMessage('usuario', 'Google Authenti...', 'he')
#12 /var/www/html/app/common/components/I18N.php(15): yii\i18n\MessageSource->translate('usuario', 'Google Authenti...', 'he')
#13 /var/www/html/app/vendor/yiisoft/yii2/BaseYii.php(537): common\components\I18N->translate('usuario', 'Google Authenti...', Array, 'he')
#14 /var/www/html/app/vendor/2amigos/yii2-usuario/src/User/Bootstrap.php(174): yii\BaseYii::t('usuario', 'Google Authenti...')
#15 /var/www/html/app/vendor/2amigos/yii2-usuario/src/User/Bootstrap.php(50): Da\User\Bootstrap->initContainer(Object(yii\web\Application), Array)
#16 /var/www/html/app/vendor/yiisoft/yii2/base/Application.php(295): Da\User\Bootstrap->bootstrap(Object(yii\web\Application))
#17 /var/www/html/app/vendor/yiisoft/yii2/web/Application.php(69): yii\base\Application->bootstrap()
#18 /var/www/html/app/vendor/yiisoft/yii2/base/Application.php(271): yii\web\Application->bootstrap()
#19 /var/www/html/app/vendor/yiisoft/yii2/base/BaseObject.php(109): yii\base\Application->init()
#20 /var/www/html/app/vendor/yiisoft/yii2/base/Application.php(204): yii\base\BaseObject->__construct(Array)
#21 /var/www/html/app/frontend/web/index.php(19): yii\base\Application->__construct(Array)
#22 {main}
Additional Information:
Array
(
    [0] => 08006
    [1] => 7
    [2] => FATAL:  sorry, too many clients already
)