101 Prohibited input U+00000020 #0 /var/www/html/km2/libraries/vendor/algo26-matthias/idna-convert/src/NamePrep/NamePrep.php(54): Algo26\IdnaConvert\NamePrep\NamePrep->applyCharacterMaps() #1 /var/www/html/km2/libraries/vendor/algo26-matthias/idna-convert/src/Punycode/ToPunycode.php(51): Algo26\IdnaConvert\NamePrep\NamePrep->do() #2 /var/www/html/km2/libraries/vendor/algo26-matthias/idna-convert/src/ToIdn.php(58): Algo26\IdnaConvert\Punycode\ToPunycode->convert() #3 /var/www/html/km2/libraries/src/String/PunycodeHelper.php(44): Algo26\IdnaConvert\ToIdn->convert() #4 /var/www/html/km2/libraries/src/String/PunycodeHelper.php(208): Joomla\CMS\String\PunycodeHelper::toPunycode() #5 /var/www/html/km2/libraries/src/Mail/MailHelper.php(41): Joomla\CMS\String\PunycodeHelper::emailToPunycode() #6 /var/www/html/km2/libraries/src/Mail/Mail.php(224): Joomla\CMS\Mail\MailHelper::cleanLine() #7 /var/www/html/km2/libraries/src/Mail/MailTemplate.php(228): Joomla\CMS\Mail\Mail->setSubject() #8 /var/www/html/km2/plugins/system/updatenotification/updatenotification.php(256): Joomla\CMS\Mail\MailTemplate->send() #9 /var/www/html/km2/libraries/src/Plugin/CMSPlugin.php(279): PlgSystemUpdatenotification->onAfterRender() #10 /var/www/html/km2/libraries/vendor/joomla/event/src/Dispatcher.php(486): Joomla\CMS\Plugin\CMSPlugin->Joomla\CMS\Plugin\{closure}() #11 /var/www/html/km2/libraries/src/Application/EventAware.php(107): Joomla\Event\Dispatcher->dispatch() #12 /var/www/html/km2/libraries/src/Application/CMSApplication.php(1023): Joomla\CMS\Application\WebApplication->triggerEvent() #13 /var/www/html/km2/libraries/src/Application/SiteApplication.php(714): Joomla\CMS\Application\CMSApplication->render() #14 /var/www/html/km2/libraries/src/Application/CMSApplication.php(299): Joomla\CMS\Application\SiteApplication->render() #15 /var/www/html/km2/includes/app.php(61): Joomla\CMS\Application\CMSApplication->execute() #16 /var/www/html/km2/index.php(32): require_once('/var/www/html/k...') #17 {main}