After Ldap integration, Unable to browse Registry. It gives an error.

After integration with ldap, All the users from ldap are visible from user management and also assigned them a role. But when trying to browse registry it is giving an error. "Unable to determine resource permissions" The System Logs are [2010-08-06 10:39:33,187] ERROR - Failed to retrieve information about permissions for resource /. null [2010-08-06 10:39:33,187] ERROR - Failed to retrieve information about permissions for resource /. null [2010-08-06 10:39:33,187] ERROR - Failed to retrieve information about permissions for resource /. null [2010-08-06 10:39:33,218] ERROR - Failed to retrieve information about permissions for resource /. null [2010-08-06 10:39:33,218] ERROR - Failed to retrieve information about permissions for resource /. null [2010-08-06 10:39:33,265] ERROR - Failed to get permissions of the resource /. ResourceServiceExceptionException; nested exception is: org.wso2.carbon.registry.ui.resources.ResourceServiceExceptionException: ResourceServiceExceptionException Is there any step which I am missing? But when i delete the External User Store connection, then everything works fine.