Formgenerator error message

Hello all,

I've got an problem with the formgenerator.
When filling out the form and clicking submit i get an error message (see underneath).

Wondering i anyone can point me out to the solution?

Code:

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Warning: stream_socket_client(): unable to connect to localhost:25 (No connection could be made because the target machine actively refused it. ) in E:\HostingSpaces\Vermande\gyma.be\wwwroot\plugins\swiftmailer\classes\Swift\Transport\StreamBuffer.php on line 263
#0 [internal function]: __error(2, 'stream_socket_c...', 'E:\HostingSpace...', 263, Array)
#1 E:\HostingSpaces\Vermande\gyma.be\wwwroot\plugins\swiftmailer\classes\Swift\Transport\StreamBuffer.php(263): stream_socket_client('localhost:25', 0, '', 30, 4, Resource id #254)
#2 E:\HostingSpaces\Vermande\gyma.be\wwwroot\plugins\swiftmailer\classes\Swift\Transport\StreamBuffer.php(66): Swift_Transport_StreamBuffer->_establishSocketConnection()
#3 E:\HostingSpaces\Vermande\gyma.be\wwwroot\plugins\swiftmailer\classes\Swift\Transport\AbstractSmtpTransport.php(117): Swift_Transport_StreamBuffer->initialize(Array)
#4 E:\HostingSpaces\Vermande\gyma.be\wwwroot\plugins\swiftmailer\classes\Swift\Mailer.php(79): Swift_Transport_AbstractSmtpTransport->start()
#5 E:\HostingSpaces\Vermande\gyma.be\wwwroot\system\libraries\Email.php(485): Swift_Mailer->send(Object(Swift_Message), Array)
#6 E:\HostingSpaces\Vermande\gyma.be\wwwroot\system\modules\frontend\Form.php(397): Email->sendTo(Array)
#7 E:\HostingSpaces\Vermande\gyma.be\wwwroot\system\modules\frontend\Form.php(214): Form->processFormData(Array, Array)
#8 E:\HostingSpaces\Vermande\gyma.be\wwwroot\system\modules\frontend\Hybrid.php(163): Form->compile()
#9 E:\HostingSpaces\Vermande\gyma.be\wwwroot\system\modules\frontend\Form.php(74): Hybrid->generate()
#10 E:\HostingSpaces\Vermande\gyma.be\wwwroot\system\libraries\Controller.php(511): Form->generate()
#11 E:\HostingSpaces\Vermande\gyma.be\wwwroot\system\modules\frontend\ModuleArticle.php(194): Controller->getContentElement('185')
#12 E:\HostingSpaces\Vermande\gyma.be\wwwroot\system\modules\frontend\Module.php(140): ModuleArticle->compile()
#13 E:\HostingSpaces\Vermande\gyma.be\wwwroot\system\modules\frontend\ModuleArticle.php(71): Module->generate()
#14 E:\HostingSpaces\Vermande\gyma.be\wwwroot\system\libraries\Controller.php(443): ModuleArticle->generate(false)
#15 E:\HostingSpaces\Vermande\gyma.be\wwwroot\system\libraries\Controller.php(307): Controller->getArticle('42', false, false, 'main')
#16 E:\HostingSpaces\Vermande\gyma.be\wwwroot\system\modules\frontend\PageRegular.php(100): Controller->getFrontendModule('0', 'main')
#17 E:\HostingSpaces\Vermande\gyma.be\wwwroot\index.php(266): PageRegular->generate(Object(DB_Mysql_Result))
#18 E:\HostingSpaces\Vermande\gyma.be\wwwroot\index.php(401): Index->run()
#19 {main}


Fatal error: Uncaught exception Swift_TransportException with message Connection could not be established with host localhost [No connection could be made because the target machine actively refused it. #10061] thrown in E:\HostingSpaces\Vermande\gyma.be\wwwroot\plugins\swiftmailer\classes\Swift\Transport\StreamBuffer.php on line 265
#0 E:\HostingSpaces\Vermande\gyma.be\wwwroot\plugins\swiftmailer\classes\Swift\Transport\StreamBuffer.php(66): Swift_Transport_StreamBuffer->_establishSocketConnection()
#1 E:\HostingSpaces\Vermande\gyma.be\wwwroot\plugins\swiftmailer\classes\Swift\Transport\AbstractSmtpTransport.php(117): Swift_Transport_StreamBuffer->initialize(Array)
#2 E:\HostingSpaces\Vermande\gyma.be\wwwroot\plugins\swiftmailer\classes\Swift\Mailer.php(79): Swift_Transport_AbstractSmtpTransport->start()
#3 E:\HostingSpaces\Vermande\gyma.be\wwwroot\system\libraries\Email.php(485): Swift_Mailer->send(Object(Swift_Message), Array)
#4 E:\HostingSpaces\Vermande\gyma.be\wwwroot\system\modules\frontend\Form.php(397): Email->sendTo(Array)
#5 E:\HostingSpaces\Vermande\gyma.be\wwwroot\system\modules\frontend\Form.php(214): Form->processFormData(Array, Array)
#6 E:\HostingSpaces\Vermande\gyma.be\wwwroot\system\modules\frontend\Hybrid.php(163): Form->compile()
#7 E:\HostingSpaces\Vermande\gyma.be\wwwroot\system\modules\frontend\Form.php(74): Hybrid->generate()
#8 E:\HostingSpaces\Vermande\gyma.be\wwwroot\system\libraries\Controller.php(511): Form->generate()
#9 E:\HostingSpaces\Vermande\gyma.be\wwwroot\system\modules\frontend\ModuleArticle.php(194): Controller->getContentElement('185')
#10 E:\HostingSpaces\Vermande\gyma.be\wwwroot\system\modules\frontend\Module.php(140): ModuleArticle->compile()
#11 E:\HostingSpaces\Vermande\gyma.be\wwwroot\system\modules\frontend\ModuleArticle.php(71): Module->generate()
#12 E:\HostingSpaces\Vermande\gyma.be\wwwroot\system\libraries\Controller.php(443): ModuleArticle->generate(false)
#13 E:\HostingSpaces\Vermande\gyma.be\wwwroot\system\libraries\Controller.php(307): Controller->getArticle('42', false, false, 'main')
#14 E:\HostingSpaces\Vermande\gyma.be\wwwroot\system\modules\frontend\PageRegular.php(100): Controller->getFrontendModule('0', 'main')
#15 E:\HostingSpaces\Vermande\gyma.be\wwwroot\index.php(266): PageRegular->generate(Object(DB_Mysql_Result))
#16 E:\HostingSpaces\Vermande\gyma.be\wwwroot\index.php(401): Index->run()
#17 {main}

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This is a local installation, isn't it? So, you'll either need a (local) mail server to send messages or you'd have to configure an SMTP server in the system settings.