Upload manager fails to give file for wrong encoded urls

[pscheit]

[29.Nov.2013 13:04:05] Webforge\Common\Exception: Uncaught exception 'Webforge\Common\Exception' with message:
'Pattern Syntax Error: /^(.+)\.(.+)$/u Subject contains Bad UTF8'
in /var/local/www/co-mun.net/vendor/webforge/common/lib/Webforge/Common/Preg.php:45
StackTrace: 
#0 /var/local/www/co-mun.net/vendor/pscheit/psc-cms/lib/Psc/CMS/Service/CMSService.php(142): Webforge\Common\Preg::match('Rapport final A...', '/^(.+)\.(.+)$/')
#1 /var/local/www/co-mun.net/lib/CoMun/WebsiteService.php(122): Psc\CMS\Service\CMSService->routeController(Object(Psc\Net\ServiceRequest))
#2 /var/local/www/co-mun.net/lib/CoMun/WebsiteService.php(102): CoMun\WebsiteService->routeUploads(Object(Psc\Net\ServiceRequest), Object(Psc\Net\RequestMatcher))
#3 /var/local/www/co-mun.net/vendor/pscheit/psc-cms/lib/Psc/CMS/Service/ControllerService.php(81): CoMun\WebsiteService->routeController(Object(Psc\Net\ServiceRequest))
#4 /var/local/www/co-mun.net/vendor/pscheit/psc-cms/lib/Psc/CMS/Service/ControllerService.php(66): Psc\CMS\Service\ControllerService->doResponsibleFor(Object(Psc\Net\ServiceRequest))
#5 /var/local/www/co-mun.net/vendor/pscheit/psc-cms/lib/Psc/Net/HTTP/RequestHandler.php(220): Psc\CMS\Service\ControllerService->isResponsibleFor(Object(Psc\Net\ServiceRequest))
#6 /var/local/www/co-mun.net/vendor/pscheit/psc-cms/lib/Psc/Net/HTTP/RequestHandler.php(161): Psc\Net\HTTP\RequestHandler->findService(Object(Psc\Net\ServiceRequest))
#7 /var/local/www/co-mun.net/vendor/pscheit/psc-cms/lib/Psc/Net/HTTP/RequestHandler.php(92): Psc\Net\HTTP\RequestHandler->route(Object(Psc\Net\ServiceRequest))
#8 /var/local/www/co-mun.net/vendor/pscheit/psc-cms/lib/Psc/Net/HTTP/FrontController.php(86): Psc\Net\HTTP\RequestHandler->handle(Object(Psc\Net\HTTP\Request))
#9 /var/local/www/co-mun.net/vendor/pscheit/psc-cms/lib/Psc/Net/HTTP/FrontController.php(47): Psc\Net\HTTP\FrontController->handle(Object(Psc\Net\HTTP\Request))
#10 /var/local/www/co-mun.net/lib/CoMun/MainWeb.php(19): Psc\Net\HTTP\FrontController->process()
#11 /var/local/www/co-mun.net/www/index.php(11): CoMun\MainWeb->handleRequest()
#12 {main}
in /var/local/www/co-mun.net/vendor/webforge/common/lib/Webforge/Common/Preg.php:45