i upgraded my portal from4.4.1 to 4.5.now my assembly version is 4.5 but my database version is 4.4.0
.i can load my portal ,but something happen to my rules.my admin account can not see admin menu.

my logs are: 4.4.01 log
System.Data.SqlClient.SqlException: Ambiguous column name 'PortalID'.
Ambiguous column name 'PortalID'.
   at System.Data.SqlClient.SqlConnection.OnError(SqlException exception, Boolean breakConnection)
   at System.Data.SqlClient.SqlInternalConnection.OnError(SqlException exception, Boolean breakConnection)
   at System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj)
   at System.Data.SqlClient.TdsParser.Run(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj)
   at System.Data.SqlClient.SqlCommand.RunExecuteNonQueryTds(String methodName, Boolean async)
   at System.Data.SqlClient.SqlCommand.InternalExecuteNonQuery(DbAsyncResult result, String methodName, Boolean sendToPipe)
   at System.Data.SqlClient.SqlCommand.ExecuteNonQuery()
   at DotNetNuke.Data.SqlDataProvider.ExecuteADOScript(String SQL)
   at DotNetNuke.Data.SqlDataProvider.ExecuteScript(String Script, Boolean UseTransactions)

CREATE procedure dbo.[GetPortalRoles]

 @PortalId     int

AS
 SELECT R.RoleId,
     R.PortalId,
     R.RoleGroupId,
     R.RoleName,
     R.Description,
     'ServiceFee' = case when convert(int,R.ServiceFee) <> 0 then R.ServiceFee else null end,
     'BillingPeriod' = case when convert(int,R.ServiceFee) <> 0 then R.BillingPeriod else null end,
     'BillingFrequency' = case when convert(int,R.ServiceFee) <> 0 then L1.Text else '' end,
     'TrialFee' = case when R.TrialFrequency <> 'N' then R.TrialFee else null end,
     'TrialPeriod' = case when R.TrialFrequency <> 'N' then R.TrialPeriod else null end,
     'TrialFrequency' = case when R.TrialFrequency <> 'N' then L2.Text else '' end,
     'IsPublic' = case when R.IsPublic = 1 then 'True' else 'False' end,
     'AutoAssignment' = case when R.AutoAssignment = 1 then 'True' else 'False' end,
     RSVPCode,
     IconFile
 FROM dbo.Roles R
 LEFT OUTER JOIN dbo.Lists L1 ON R.BillingFrequency = L1.Value
 LEFT OUTER JOIN dbo.Lists L2 ON R.TrialFrequency = L2.Value
 WHERE  ( PortalId = @PortalId OR PortalId is null )
  AND L1.ListName='Frequency'
  AND L2.ListName='Frequency'
 ORDER BY R.RoleName
4.5 log:
System.Data.SqlClient.SqlException: Cannot alter column 'DefaultValue' because it is 'ntext'.
   at System.Data.SqlClient.SqlConnection.OnError(SqlException exception, Boolean breakConnection)
   at System.Data.SqlClient.SqlInternalConnection.OnError(SqlException exception, Boolean breakConnection)
   at System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj)
   at System.Data.SqlClient.TdsParser.Run(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj)
   at System.Data.SqlClient.SqlCommand.RunExecuteNonQueryTds(String methodName, Boolean async)
   at System.Data.SqlClient.SqlCommand.InternalExecuteNonQuery(DbAsyncResult result, String methodName, Boolean sendToPipe)
   at System.Data.SqlClient.SqlCommand.ExecuteNonQuery()
   at DotNetNuke.Data.SqlDataProvider.ExecuteADOScript(String SQL)
   at DotNetNuke.Data.SqlDataProvider.ExecuteScript(String Script, Boolean UseTransactions)

/* Update DefaultValue in ProfilePropertyDefinition to nText */
/*************************************************************/