UR12/13 script correction omission?

Anyone else come across this issue with UR12/13? Happens in Google Chrome.

useModalDialog is no longer supported to my knowledge.

Cheers,

Dave

Microsoft Dynamics CRM Error Report Contents

<CrmScriptErrorReport>

 <ReportVersion>1.0</ReportVersion>

 <ScriptErrorDetails>

  <Message>Script error.</Message>

  <Line>0</Line>

  <URL></URL>

  <PageURL>/Activities/email/dlg_pendingEmailApproval.aspx</PageURL>

  <Function>safeWindowShowModalDialog(url,winArguments,features,useModalDialog)</Function>

  <CallStack>

   <Function>safeWindowShowModalDialog(url,winArguments,features,useModalDialog)</Function>

   <Function>openStdDlg(url,winArguments,width,height,resizable,modeless,customWinParams,functionReference)</Function>

   <Function>openStdDlgWithCallback(url,winArguments,width,height,functionReference,resizable,modeless,customWinParams)</Function>

   <Function>openReminder()</Function>

  </CallStack>

 </ScriptErrorDetails>

 <ClientInformation>

  <BrowserUserAgent>Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/27.0.1453.116 Safari/537.36</BrowserUserAgent>

  <BrowserLanguage>undefined</BrowserLanguage>

  <SystemLanguage>undefined</SystemLanguage>

  <UserLanguage>undefined</UserLanguage>

  <ScreenResolution>1600x900</ScreenResolution>

  <ClientName>Web</ClientName>

  <ClientTime>2013-06-27T12:43:37</ClientTime>

 </ClientInformation>

 <ServerInformation>

   <OrgLanguage>1033</OrgLanguage>

   <OrgCulture>1033</OrgCulture>

   <UserLanguage>1033</UserLanguage>

   <UserCulture>1033</UserCulture>

   <OrgID>{2408DCC6-B5D8-E011-99CC-005056BC2614}</OrgID>

   <UserID>{3FE8404C-EA1C-E111-AD6B-005056BC2614}</UserID>

   <CRMVersion>5.0.9690.3448</CRMVersion>

 </ServerInformation>

</CrmScriptErrorReport>