Fatal error: PHP error in file /www/htdocs/w0070de9/forum/wcf/lib/data/message/bbcode/MessageParser.class.php (135): preg_replace(): The /e modifier is deprecated, use preg_replace_callback instead

Information:

error message: PHP error in file /www/htdocs/w0070de9/forum/wcf/lib/data/message/bbcode/MessageParser.class.php (135): preg_replace(): The /e modifier is deprecated, use preg_replace_callback instead
error code: 0
file: /www/htdocs/w0070de9/forum/wcf/lib/system/WCF.class.php (255)
php version: 5.5.38-nmm2
wcf version: 1.0.11 pl 3 (Horizon)
date: Thu, 22 Jun 2017 22:11:06 +0000
request: /index.php?page=Thread&threadID=847
referer:

Stacktrace:

#0 [internal function]: WCF::handleError(8192, 'preg_replace():...', '/www/htdocs/w00...', 135, Array)
#1 /www/htdocs/w0070de9/forum/wcf/lib/data/message/bbcode/MessageParser.class.php(135): preg_replace('~(\\[(code)\n\t\t\t\t...', '$this->cacheCod...', '')
#2 /www/htdocs/w0070de9/forum/wcf/lib/data/message/bbcode/MessageParser.class.php(62): MessageParser->cacheCodes('')
#3 /www/htdocs/w0070de9/forum/wcf/lib/system/event/listener/IndexPageGlobalannounceListener.class.php(13): MessageParser->parse('', 0, 1, 1, false)
#4 /www/htdocs/w0070de9/forum/wcf/lib/system/event/EventHandler.class.php(117): IndexPageGlobalannounceListener->execute(Object(ThreadPage), 'ThreadPage', 'readParameters')
#5 /www/htdocs/w0070de9/forum/wcf/lib/system/event/EventHandler.class.php(142): EventHandler::executeInheritedActions(Object(ThreadPage), 'readParameters', 'ThreadPage', 'readParameters@...')
#6 /www/htdocs/w0070de9/forum/wcf/lib/page/AbstractPage.class.php(44): EventHandler::fireAction(Object(ThreadPage), 'readParameters')
#7 /www/htdocs/w0070de9/forum/wcf/lib/page/MultipleLinkPage.class.php(54): AbstractPage->readParameters()
#8 /www/htdocs/w0070de9/forum/lib/page/ThreadPage.class.php(33): MultipleLinkPage->readParameters()
#9 /www/htdocs/w0070de9/forum/wcf/lib/page/AbstractPage.class.php(35): ThreadPage->readParameters()
#10 /www/htdocs/w0070de9/forum/wcf/lib/util/RequestHandler.class.php(63): AbstractPage->__construct()
#11 /www/htdocs/w0070de9/forum/wcf/lib/util/RequestHandler.class.php(91): RequestHandler->__construct('Thread', Array, 'page')
#12 /www/htdocs/w0070de9/forum/index.php(8): RequestHandler::handle(Array)
#13 {main}