Xenforo - server error log, pls help

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1

in my xenforo 1.1.4 find these error… thnx for help.

ErrorException: preg_match() [<a href='function.preg-match'>function.preg-match</a>]: Delimiter must not be alphanumeric or backslash - library/XenForo/Helper/Media.php:58
Generated By: NydiaYQP, Today at 11:45 AM
Stack Trace

#0 /home/kazirhut/public_html/library/XenForo/Helper/Media.php(58): XenForo_Application::handlePhpError('facebook.com/*v...', 'http://www.disc...', Array)
#1 /home/kazirhut/public_html/library/XenForo/Helper/Media.php(39): XenForo_Helper_Media->_convertMediaLinkToEmbedHtml('http://www.disc...', Array)
#2 /home/kazirhut/public_html/library/XenForo/BbCode/Formatter/BbCode/AutoLink.php(174): XenForo_Helper_Media::convertMediaLinkToEmbedHtml('http://www.disc...', Array)
#3 /home/kazirhut/public_html/library/XenForo/BbCode/Formatter/BbCode/AutoLink.php(156): XenForo_BbCode_Formatter_BbCode_AutoLink->_autoLinkUrl('http://www.disc...')
#4 /home/kazirhut/public_html/library/XenForo/BbCode/Formatter/BbCode/AutoLink.php(131): XenForo_BbCode_Formatter_BbCode_AutoLink->_autoLinkUrlCallback(Array)
#5 /home/kazirhut/public_html/library/XenForo/BbCode/Formatter/Base.php(488): XenForo_BbCode_Formatter_BbCode_AutoLink->filterString('#(?<=[^a-z0-9@-...', Array, 'Not much to wri...')
#6 /home/kazirhut/public_html/library/XenForo/BbCode/Formatter/Base.php(467): XenForo_BbCode_Formatter_Base->renderString('Not much to wri...', Array)
#7 /home/kazirhut/public_html/library/XenForo/BbCode/Formatter/Base.php(444): XenForo_BbCode_Formatter_Base->renderTreeElement('Not much to wri...', Array, 0)
#8 /home/kazirhut/public_html/library/XenForo/BbCode/Formatter/Base.php(424): XenForo_BbCode_Formatter_Base->renderSubTree('Not much to wri...', Array, 0)
#9 /home/kazirhut/public_html/library/XenForo/BbCode/Formatter/BbCode/AutoLink.php(53): XenForo_BbCode_Formatter_Base->renderTree(Array, Array)
#10 /home/kazirhut/public_html/library/XenForo/BbCode/Parser.php(503): XenForo_BbCode_Formatter_BbCode_AutoLink->renderTree(Array, Array)
#11 /home/kazirhut/public_html/library/XenForo/Helper/String.php(218): XenForo_BbCode_Parser->render(Array, Array)
#12 /home/kazirhut/public_html/library/XenForo/ControllerPublic/Account.php(249): XenForo_Helper_String::autoLinkBbCode('Not much to wri...')
#13 /home/kazirhut/public_html/library/XenForo/FrontController.php(310): XenForo_ControllerPublic_Account->actionPersonalDetailsSave('Not much to wri...')
#14 /home/kazirhut/public_html/library/XenForo/FrontController.php(132): XenForo_FrontController->dispatch()
#15 /home/kazirhut/public_html/index.php(13): XenForo_FrontController->run(Object(XenForo_RouteMatch))
#16 {main}

Request State

array(3) {
  ["url"] => string(53) "http://www.kazirhut.com/account/personal-details-save"
  ["_GET"] => array(0) {
  }
  ["_POST"] => array(14) {
    ["status"] => string(0) ""
    ["custom_title"] => string(0) ""
    ["gender"] => string(6) "female"
    ["show_dob_date"] => string(1) "1"
    ["show_dob_year"] => string(1) "1"
    ["location"] => string(10) "Schnabling"
    ["occupation"] => string(0) ""
    ["homepage"] => string(41) "http://www.discussinet.com/activity/p/56/"
    ["about_html"] => string(301) "Not much to &omega;r&#1110;t&#1077; ab&omicron;ut m&#1091;self
at all.
I enj&#1086;y of f&#1110;nally being &#1072; membe&#1075;
of kazirhut.c&omicron;m.
I really hope &Iota;'m useful in some way here.

Also visit my blog post :: <a href="http://www.discussinet.com/activity/p/56/">nosejob</a>"
    ["about"] => string(290) "Not much to write about my&#1109;elf at all.

I enj&omicron;y &#1086;f f&#1110;nally be&#1110;ng a member &#959;f
k&#1072;zi&#1075;hut.c&#959;m.
I really h&omicron;pe I'm useful in some way here.

Here is my web-site :: <a href="http://www.discussinet.com/activity/p/56/">nosejob</a>"
    ["_xfRelativeResolver"] => string(48) "http://www.kazirhut.com/account/personal-details"
    ["_xfRteFailed"] => string(1) "1"
    ["save"] => string(4) "Save"
    ["_xfToken"] => string(8) "********"
  }
}
2

Is this first time you install new forum or migrate from old hosting provider?

3

ya installed new forum.
pls help me.