Exception

System.NullReferenceException: Object reference not set to an instance of an object. at System.Data.SqlClient.TdsParser.TrySkipRow(_SqlMetaDataSet columns, Int32 startCol, TdsParserStateObject stateObj) at System.Data.SqlClient.TdsParser.TryRun(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj, Boolean& dataReady) at System.Data.SqlClient.SqlDataReader.TryCloseInternal(Boolean closeReader) at System.Data.SqlClient.SqlDataReader.Close() at System.Data.ProviderBase.DbReferenceCollection.Notify(Int32 message) at System.Data.SqlClient.SqlInternalConnection.Deactivate() at System.Data.ProviderBase.DbConnectionInternal.DeactivateConnection() at System.Data.ProviderBase.DbConnectionPool.DeactivateObject(DbConnectionInternal obj) at System.Data.ProviderBase.DbConnectionPool.PutObject(DbConnectionInternal obj, Object owningObject) at System.Data.ProviderBase.DbConnectionInternal.CloseConnection(DbConnection owningObject, DbConnectionFactory connectionFactory) at System.Data.SqlClient.SqlConnection.Close() at HPDC.Storefront.Controllers.StoreManagerController.CreateAccount(RegisterModel model, Int64& AccountId, String StoreName) in D:\TeamCity\buildAgent\work\d5f7f359dfc859b3\Source\HPDC.Storefront\Controllers\StoreManagerController.cs:line 312 at HPDC.Storefront.Controllers.StoreManagerController.CreateGuestCookie(String StoreName) in D:\TeamCity\buildAgent\work\d5f7f359dfc859b3\Source\HPDC.Storefront\Controllers\StoreManagerController.cs:line 182 at HPDC.Storefront.Controllers.PartDetailController.IndexSEO() in D:\TeamCity\buildAgent\work\d5f7f359dfc859b3\Source\HPDC.Storefront\Controllers\PartDetailController.cs:line 75