An internal server error occurred

exception 'Exception' with message 'preg_match() [function.preg-match]: Compilation failed: this version of PCRE is not compiled with PCRE_UTF8 support at offset 0 in /home/kmmexpose/domains/editie1.kmmexpose.nl/public_html/base/includes/lib/Zend/Controller/Router/Route.php (272)' in /home/kmmexpose/domains/editie1.kmmexpose.nl/public_html/base/includes/lib/Zicht/Debug.php:13
Stack trace:
#0 [internal function]: Zicht_Debug::errorHandler(2, 'preg_match() [<...', '/home/kmmexpose...', 272, Array)
#1 /home/kmmexpose/domains/editie1.kmmexpose.nl/public_html/base/includes/lib/Zend/Controller/Router/Route.php(272): preg_match('#^expose$#iu', 'expose')
#2 /home/kmmexpose/domains/editie1.kmmexpose.nl/public_html/base/includes/lib/Zend/Controller/Router/Rewrite.php(388): Zend_Controller_Router_Route->match('/expose/create/...')
#3 /home/kmmexpose/domains/editie1.kmmexpose.nl/public_html/base/includes/lib/Zend/Controller/Front.php(910): Zend_Controller_Router_Rewrite->route(Object(Zend_Controller_Request_Http))
#4 /home/kmmexpose/domains/editie1.kmmexpose.nl/public_html/base/includes/lib/Zicht/Site/Bootstrap.php(101): Zend_Controller_Front->dispatch()
#5 /home/kmmexpose/domains/editie1.kmmexpose.nl/public_html/base/includes/lib/Zend/Application.php(335): Zicht_Site_Bootstrap->run()
#6 /home/kmmexpose/domains/editie1.kmmexpose.nl/public_html/index.php(12): Zend_Application->run()
#7 {main}