WBB 3 Antworten error The /e modifier is deprecated, use preg_replace_callback instead

Fatal error: PHP error in file /homepages/35/d579660482/htdocs/forum/wcf/lib/form/PMNewForm.class.php (306): preg_replace(): The /e modifier is deprecated, use preg_replace_callback instead
Information:
error message: PHP error in file /homepages/35/d579660482/htdocs/forum/wcf/lib/form/PMNewForm.class.php (306): preg_replace(): The /e modifier is deprecated, use preg_replace_callback instead
error code: 0
file: /homepages/35/d579660482/htdocs/forum/wcf/lib/system/WCF.class.php (281)
php version: 5.5.28
wcf version: 1.1.10 pl 2 (Tempest)
date: Thu, 03 Sep 2015 16:23:25 +0000
request: /index.php?form=PMNew&action=new&pmID=1&replyToAll=1
referer: ......./index.php?page=PMView&pmID=1&folderID=0&pageNo=1&sortField=time&sortOrder=DESC&filterBySender=0
Stacktrace:
#0 [internal function]: WCF::handleError(8192, 'preg_replace():...', '/homepages/35/d...', 306, Array)
#1 /homepages/35/d579660482/htdocs/forum/wcf/lib/form/PMNewForm.class.php(306): preg_replace('/(^RE: RE\\[)(\\d...', '"RE[".(\\2+1)', 'RE: Entsperr')
#2 /homepages/35/d579660482/htdocs/forum/wcf/lib/page/AbstractPage.class.php(90): PMNewForm->readData()
#3 /homepages/35/d579660482/htdocs/forum/wcf/lib/form/MessageForm.class.php(237): AbstractPage->show()
#4 /homepages/35/d579660482/htdocs/forum/wcf/lib/form/PMNewForm.class.php(423): MessageForm->show()
#5 /homepages/35/d579660482/htdocs/forum/wcf/lib/page/AbstractPage.class.php(46): PMNewForm->show()
#6 /homepages/35/d579660482/htdocs/forum/wcf/lib/util/RequestHandler.class.php(64): AbstractPage->__construct()
#7 /homepages/35/d579660482/htdocs/forum/wcf/lib/util/RequestHandler.class.php(95): RequestHandler->__construct('PMNew', Array, 'form')
#8 /homepages/35/d579660482/htdocs/forum/index.php(8): RequestHandler::handle(Array)
#9 {main}