Just upgraded from 4.4 to 4.8. Now I can't create a portal and get the following error. Please help. I have a customer waiting for a web site and am stuck.

Event Type: Warning
Event Source: ASP.NET 2.0.50727.0
Event Category: Web Event
Event ID: 1309
Date:  2/23/2008
Time:  10:16:34 AM
User:  N/A
Computer: 128150-WEB1
Description:
Event code: 3005
Event message: An unhandled exception has occurred.
Event time: 2/23/2008 10:16:34 AM
Event time (UTC): 2/23/2008 4:16:34 PM
Event ID: 6e266ffea69142c4b2f77b4239bae14f
Event sequence: 4
Event occurrence: 1
Event detail code: 0
 
Application information:
    Application domain: /LM/W3SVC/701625/Root-7-128482569530322500
    Trust level: Full
    Application Virtual Path: /
    Application Path: C:\DotNetNuke\Website2\
    Machine name: 128150-WEB1
 
Process information:
    Process ID: 60016
    Process name: w3wp.exe
    Account name: NT AUTHORITY\NETWORK SERVICE
 
Exception information:
    Exception type: ArgumentNullException
    Exception message: Value cannot be null.
Parameter name: type
 
Request information:
    Request URL: 
    Request path: 
    User host address: 
    User: 
    Is authenticated: False
    Authentication Type: 
    Thread account name: NT AUTHORITY\NETWORK SERVICE
 
Thread information:
    Thread ID: 1
    Thread account name: NT AUTHORITY\NETWORK SERVICE
    Is impersonating: False
    Stack trace:    at System.Activator.CreateInstance(Type type, Boolean nonPublic)
   at DotNetNuke.Framework.Reflection.CreateObject(String ObjectProviderType, String ObjectProviderName, String ObjectNamespace, String ObjectAssemblyName, Boolean UseCache)
   at DotNetNuke.Framework.Reflection.CreateObject(String ObjectProviderType, String ObjectNamespace, String ObjectAssemblyName)
   at DotNetNuke.Services.Log.EventLog.DBLoggingProvider.Data.DataProvider.CreateProvider()
   at DotNetNuke.Services.Log.EventLog.DBLoggingProvider.Data.DataProvider..cctor()
 
 
Custom event details:

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