I have very serious problem in my sharepoint server.

When i tried to "create site" in newsbweb.aspx,Onclick of create
button, i got the below error . Please help me out. Thanks in Advance.



Some or all identity references could not be translated. at
System.Security.Principal.NTAccount.Translate
(IdentityReferenceCollection sourceAccounts, Type targetType, Boolean
forceSuccess)
at System.Security.Principal.NTAccount.Translate(Type targetType)
at
Microsoft.SharePoint.Administration.SPFarm.CurrentUserIsAdministrator
()
at Microsoft.SharePoint.SPSite.set_AdministratorOperationMode
(Boolean value)
at Microsoft.SharePoint.SPFeatureManager.EnsureSiteAndWeb
(SPUrlZone zone, Guid siteid, Guid webid, SPSite& site, SPWeb& web)
at
Microsoft.SharePoint.SPFeatureManager.<>c__DisplayClass7.<EnsureFeatur
esActivatedAtWeb>b__6()
at Microsoft.SharePoint.SPSecurity.CodeToRunElevatedWrapper(Object
state)
at Microsoft.SharePoint.SPSecurity.RunAsUser(SPUserToken
userToken, Boolean bResetContext, WaitCallback code, Object param)
at Microsoft.SharePoint.SPSecurity.RunAsUser(SPUserToken
userToken, CodeToRunElevated code)
at
Microsoft.SharePoint.SPFeatureManager.EnsureFeaturesActivatedAtWeb
(Byte[]& userToken, Int32 nZone, Guid siteid, Guid webid, String
sFeatures)
at Microsoft.SharePoint.Library.SPRequestInternalClass.CreateWeb
(String bstrUrl, String bstrTitle, String bstrDescription, UInt32
nLCID, String bstrWebTemplate, Boolean bCreateUniqueWeb, Boolean
bConvertIfThere, Guid& pgWebId, Guid& pgRootFolderId, Boolean
bCreateSystemCatalogs)
at Microsoft.SharePoint.Library.SPRequest.CreateWeb(String
bstrUrl, String bstrTitle, String bstrDescription, UInt32 nLCID,
String bstrWebTemplate, Boolean bCreateUniqueWeb, Boolean
bConvertIfThere, Guid& pgWebId, Guid& pgRootFolderId, Boolean
bCreateSystemCatalogs)
at Microsoft.SharePoint.SPWeb.CreateWeb(String strWebUrl, String
strTitle, String strDescription, UInt32 nLCID, String strWebTemplate,
Boolean bCreateUniqueSubweb, Boolean bConvertIfThere)
at Microsoft.SharePoint.SPWeb.SPWebCollectionProvider.CreateWeb
(String strWebUrl, String strTitle, String strDescription, UInt32
nLCID, String strWebTemplate, Boolean bCreateUniqueSubweb, Boolean
bConvertIfThere)
at Microsoft.SharePoint.SPWebCollection.Add(String strWebUrl,
String strTitle, String strDescription, UInt32 nLCID, String
strWebTemplate, Boolean useUniquePermissions, Boolean
bConvertIfThere)
at Microsoft.SharePoint.SPWebCollection.Add(String strFullWebUrl,
String strWebUrl, String strTitle, String strDescription, UInt32
nLCID, String strWebTemplate, Boolean useUniquePermissions, Boolean
bConvertIfThere)
at
Microsoft.SharePoint.ApplicationPages.NewSubwebPage.BtnCreateSubweb_Cl
ick(Object sender, EventArgs e)
at System.Web.UI.WebControls.Button.OnClick(EventArgs e)
at System.Web.UI.WebControls.Button.RaisePostBackEvent(String
eventArgument)
at
System.Web.UI.WebControls.Button.System.Web.UI.IPostBackEventHandler.R
aisePostBackEvent(String eventArgument)
at System.Web.UI.Page.RaisePostBackEvent(IPostBackEventHandler
sourceControl, String eventArgument)
at System.Web.UI.Page.RaisePostBackEvent(NameValueCollection
postData)
at System.Web.UI.Page.ProcessRequestMain(Boolean
includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)