I did follow the guide above in trying to fix  the issue but no luck
Could someone please help on upgrade to 07.00.06

Here is my log error

System.Data.SqlClient.SqlException (0x80131904): Invalid column name 'Level'.
Invalid column name 'TabPath'.
Invalid column name 'Level'.
Invalid column name 'TabPath'.
   at System.Data.SqlClient.SqlConnection. (SqlException exception, Boolean breakConnection, Action`1 wrapCloseInAction)
   at System.Data.SqlClient.SqlInternalConnection. (SqlException exception, Boolean breakConnection, Action`1 wrapCloseInAction)
   at System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj, Boolean callerHasConnectionLock, Boolean asyncClose)
   at System.Data.SqlClient.TdsParser.TryRun(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj, Boolean& dataReady)
   at System.Data.SqlClient.SqlCommand.RunExecuteNonQueryTds(String methodName, Boolean async, Int32 timeout)
   at System.Data.SqlClient.SqlCommand.InternalExecuteNonQuery(TaskCompletionSource`1 completion, String methodName, Boolean sendToPipe, Int32 timeout, Boolean asyncWrite)
   at System.Data.SqlClient.SqlCommand.ExecuteNonQuery()
   at DotNetNuke.Data.SqlDataProvider.ExecuteScriptInternal(String connectionString, String script)
ClientConnectionId:6599c7cc-b3fa-46ee-9d0a-cdf02eefbea9

CREATE PROCEDURE dbo.[BuildTabLevelAndPath](@TabId INT, @IncludeChild BIT = 0)
    AS
    BEGIN
        DECLARE @ParentId INT, @Level INT, @TabPath NVARCHAR(255), @TabName NVARCHAR(200)
        SELECT @ParentId = ParentId, @TabName = TabName FROM dbo.[Tabs] WHERE TabID = @TabId
        IF @ParentId > 0
        BEGIN
            SELECT
                @Level = [Level] + 1,
                @TabPath = TabPath + '//' + dbo.[RemoveStringCharacters](@TabName, '&? ./''#:*')
             FROM dbo.[Tabs] WHERE TabID = @ParentId
        END
        ELSE
        BEGIN
            SELECT @Level = 0, @TabPath = '//' + dbo.[RemoveStringCharacters](@TabName, '&? ./''#:*')
        END
        
        UPDATE dbo.[Tabs] SET [Level] = @Level, TabPath = @TabPath WHERE TabID = @TabId
        
        IF @IncludeChild = 1
        BEGIN
            DECLARE @ChildTabs TABLE(TabID INT)
            DECLARE @ChildID INT
            INSERT INTO @ChildTabs SELECT TabID FROM dbo.[Tabs] WHERE ParentId =  @TabId
            WHILE EXISTS (SELECT TOP 1 TabID FROM @ChildTabs)
                BEGIN
                    SET @ChildID = (SELECT TOP 1 TabID FROM @ChildTabs)
                    EXEC dbo.[BuildTabLevelAndPath] @ChildID, @IncludeChild
                    DELETE FROM @ChildTabs WHERE TabID = @ChildID
                END
        END
    END