I am getting this error
Configuration Error
Description: An error occurred during the processing of a configuration file required to service this request. Please review the specific error details below and modify your configuration file appropriately.
Parser Error Message: Object reference not set to an instance of an object.
Source Error:
Line 35: <membership defaultProvider="CrmMembershipProvider">
Line 36: <providers>
Line 37: <add name="CrmMembershipProvider" type="Microsoft.Xrm.Portal.Web.Security.LiveIdMembershipProvider, Microsoft.Xrm.Portal" liveIdConnectionStringName="Live"/>
Line 38: </providers>
Line 39: </membership>