My oxwall is showing errors whenever an event whichever send emails is encountered, no user can sign up on my site due to no confirmation email can be sent to them, Exact error page is:
OW Debug - Exception
Message:Could not instantiate mail function.
File:/var/www/clients/client0/web1/web/community/ow_libraries/php_mailer/class.phpmailer.php
Line:595
Trace:
#0 /var/www/clients/client0/web1/web/community/ow_libraries/php_mailer/class.phpmailer.php(519): PHPMailer->MailSend('Date: Thu, 1 Se...', '--b1_6a55284837...')
#1 /var/www/clients/client0/web1/web/community/ow_system_plugins/base/bol/mail_service.php(260): PHPMailer->Send()
#2 /var/www/clients/client0/web1/web/community/ow_core/mailer.php(97): BOL_MailService->send(Object(BASE_CLASS_Mail))
#3 /var/www/clients/client0/web1/web/community/ow_system_plugins/base/init.php(435): OW_Mailer->send(Object(BASE_CLASS_Mail))
#4 [internal function]: base_welcome_letter(Object(OW_Event))
#5 /var/www/clients/client0/web1/web/community/ow_core/event_manager.php(147): call_user_func('base_welcome_le...', Object(OW_Event))
#6 /var/www/clients/client0/web1/web/community/ow_system_plugins/base/controllers/join.php(257): OW_EventManager->trigger(Object(OW_Event))
#7 /var/www/clients/client0/web1/web/community/ow_system_plugins/base/controllers/join.php(125): BASE_CTRL_Join->joinUser(Array, '290365aadde35a9...')
#8 [internal function]: BASE_CTRL_Join->index(Array)
#9 /var/www/clients/client0/web1/web/community/ow_core/dispatcher.php(257): ReflectionMethod->invokeArgs(Object(BASE_CTRL_Join), Array)
#10 /var/www/clients/client0/web1/web/community/ow_core/application.php(293): OW_Dispatcher->dispatch()
#11 /var/www/clients/client0/web1/web/community/index.php(65): OW_Application->dispatch()
#12 {main}
Type:phpmailerException