Fatal error: Uncaught Error: Call to undefined function MailPoet\Doctrine\Types\mb_convert_encoding() in /home/deklifgn/public_html/wp-content/plugins/mailpoet/lib/Doctrine/Types/JsonType.php:46 Stack trace: #0 /home/deklifgn/public_html/wp-content/plugins/mailpoet/vendor-prefixed/doctrine/orm/src/Internal/Hydration/AbstractHydrator.php(213): MailPoet\Doctrine\Types\JsonType->convertToPHPValue('{"last_subscrib...', Object(MailPoetVendor\Doctrine\DBAL\Platforms\MariaDb1010Platform)) #1 /home/deklifgn/public_html/wp-content/plugins/mailpoet/vendor-prefixed/doctrine/orm/src/Internal/Hydration/ObjectHydrator.php(183): MailPoetVendor\Doctrine\ORM\Internal\Hydration\AbstractHydrator->gatherRowData(Array, Array, Array) #2 /home/deklifgn/public_html/wp-content/plugins/mailpoet/vendor-prefixed/doctrine/orm/src/Internal/Hydration/ObjectHydrator.php(87): MailPoetVendor\Doctrine\ORM\Internal\Hydration\ObjectHydrator->hydrateRowData(Array, Array) #3 /home/deklifgn/public_html/wp-content/plugins/mailpoet/vendor-prefixed/doctrine/orm/src/Internal/Hydration/AbstractHydrator.php(128): MailPoetVendor\Doctrine\ORM\Internal\Hydration\ObjectHydrator->hydrateAllData() #4 /home/deklifgn/public_html/wp-content/plugins/mailpoet/vendor-prefixed/doctrine/orm/src/Persisters/Entity/BasicEntityPersister.php(414): MailPoetVendor\Doctrine\ORM\Internal\Hydration\AbstractHydrator->hydrateAll(Object(MailPoetVendor\Doctrine\DBAL\Result), Object(MailPoetVendor\Doctrine\ORM\Query\ResultSetMapping), Array) #5 /home/deklifgn/public_html/wp-content/plugins/mailpoet/vendor-prefixed/doctrine/orm/src/EntityRepository.php(84): MailPoetVendor\Doctrine\ORM\Persisters\Entity\BasicEntityPersister->load(Array, NULL, NULL, Array, NULL, 1, NULL) #6 /home/deklifgn/public_html/wp-content/plugins/mailpoet/lib/Doctrine/Repository.php(71): MailPoetVendor\Doctrine\ORM\EntityRepository->findOneBy(Array, NULL) #7 /home/deklifgn/public_html/wp-content/plugins/mailpoet/lib/Config/Populator.php(785): MailPoet\Doctrine\Repository->findOneBy(Array) #8 /home/deklifgn/public_html/wp-content/plugins/mailpoet/lib/Config/Populator.php(772): MailPoet\Config\Populator->scheduleOneTimeBackfillTask('backfill_engage...') #9 /home/deklifgn/public_html/wp-content/plugins/mailpoet/lib/Config/Populator.php(187): MailPoet\Config\Populator->scheduleBackfillEngagementData() #10 /home/deklifgn/public_html/wp-content/plugins/mailpoet/lib/Config/Activator.php(87): MailPoet\Config\Populator->up() #11 /home/deklifgn/public_html/wp-content/plugins/mailpoet/lib/Config/Activator.php(67): MailPoet\Config\Activator->processActivate() #12 /home/deklifgn/public_html/wp-content/plugins/mailpoet/lib/Config/Initializer.php(538): MailPoet\Config\Activator->activate() #13 /home/deklifgn/public_html/wp-includes/class-wp-hook.php(353): MailPoet\Config\Initializer->maybeRunActivator('') #14 /home/deklifgn/public_html/wp-includes/class-wp-hook.php(377): WP_Hook->apply_filters('', Array) #15 /home/deklifgn/public_html/wp-includes/plugin.php(523): WP_Hook->do_action(Array) #16 /home/deklifgn/public_html/wp-settings.php(779): do_action('init') #17 /home/deklifgn/public_html/wp-config.php(111): require_once('/home/deklifgn/...') #18 /home/deklifgn/public_html/wp-load.php(50): require_once('/home/deklifgn/...') #19 /home/deklifgn/public_html/wp-blog-header.php(13): require_once('/home/deklifgn/...') #20 /home/deklifgn/public_html/index.php(17): require('/home/deklifgn/...') #21 {main} thrown in /home/deklifgn/public_html/wp-content/plugins/mailpoet/lib/Doctrine/Types/JsonType.php on line 46