Probleme mit dem Inhalt BB-Code

Fatal error: PHP notice in file  /var/www/play4glory.de/httpdocs/wcf/lib/data/message/bbcode/ContentBBCode.class.php  (52): Undefined offset: 5
     Information:
  error message: PHP notice in file  /var/www/play4glory.de/httpdocs/wcf/lib/data/message/bbcode/ContentBBCode.class.php  (52): Undefined offset: 5
 error code: 0
 file: /var/www/play4glory.de/httpdocs/wcf/lib/system/WCF.class.php (281)
 php version: 5.3.3-7+squeeze13
 wcf version: 1.1.9 (Tempest)
 date: Sun, 15 Jul 2012 13:33:50 +0000
 request: /index.php?form=PostEdit&postID=52
 referer: http://play4glory.de/index.php?form=PostEdit&postID=52
   Stacktrace:
 #0 /var/www/play4glory.de/httpdocs/wcf/lib/data/message/bbcode/ContentBBCode.class.php(52): WCF::handleError(8, 'Undefined offse...', '/var/www/play4g...', 52, Array) #1 /var/www/play4glory.de/httpdocs/wcf/lib/data/message/bbcode/BBCodeParser.class.php(351): ContentBBCode->getParsedTag(Array, '<br />?<div sty...', Array, Object(MessageParser)) #2 /var/www/play4glory.de/httpdocs/wcf/lib/data/message/bbcode/BBCodeParser.class.php(66): BBCodeParser->buildParsedString() #3 /var/www/play4glory.de/httpdocs/wcf/lib/data/message/bbcode/MessageParser.class.php(87): BBCodeParser->parse('Hallo [username...') #4 /var/www/play4glory.de/httpdocs/lib/data/post/ViewablePost.class.php(62): MessageParser->parse('Hallo [username...', 1, 0, 1, false) #5 /var/www/play4glory.de/httpdocs/lib/data/post/PostEditor.class.php(440): ViewablePost->getFormattedMessage() #6 /var/www/play4glory.de/httpdocs/lib/form/ThreadAddForm.class.php(172): PostEditor::createPreview('Minecraft Serve...', 'Hallo [username...', 1, 0, 1) #7 /var/www/play4glory.de/httpdocs/lib/form/PostEditForm.class.php(121): ThreadAddForm->submit() #8 /var/www/play4glory.de/httpdocs/wcf/lib/form/AbstractForm.class.php(90): PostEditForm->submit() #9 /var/www/play4glory.de/httpdocs/wcf/lib/form/CaptchaForm.class.php(104): AbstractForm->readData() #10 /var/www/play4glory.de/httpdocs/wcf/lib/form/MessageForm.class.php(193): CaptchaForm->readData() #11 /var/www/play4glory.de/httpdocs/lib/form/ThreadAddForm.class.php(369): MessageForm->readData() #12 /var/www/play4glory.de/httpdocs/lib/form/PostEditForm.class.php(305): ThreadAddForm->readData() #13 /var/www/play4glory.de/httpdocs/wcf/lib/page/AbstractPage.class.php(90): PostEditForm->readData() #14 /var/www/play4glory.de/httpdocs/wcf/lib/form/MessageForm.class.php(237): AbstractPage->show() #15 /var/www/play4glory.de/httpdocs/lib/form/ThreadAddForm.class.php(434): MessageForm->show() #16 /var/www/play4glory.de/httpdocs/lib/form/PostEditForm.class.php(375): ThreadAddForm->show() #17 /var/www/play4glory.de/httpdocs/wcf/lib/page/AbstractPage.class.php(46): PostEditForm->show() #18 /var/www/play4glory.de/httpdocs/wcf/lib/util/RequestHandler.class.php(64): AbstractPage->__construct() #19 /var/www/play4glory.de/httpdocs/wcf/lib/util/RequestHandler.class.php(95): RequestHandler->__construct('PostEdit', Array, 'form') #20 /var/www/play4glory.de/httpdocs/index.php(8): RequestHandler::handle(Array) #21 {main}