Hi ich habe das gleiche Problem...
Auf der Startseite
DotNetNuke Upgrade Error
The Assembly Version ( [ASSEMBLYVERSION] ) does not match the Database Version ( [DATABASEVERSION] )
ERROR: Could not connect to database.
The type initializer for 'DotNetNuke.Data.DataProvider' threw an exception.
Und auf der Installationsseite
Install/Install.aspx?mode=install
[NullReferenceException: Object reference not set to an instance of an object.]
DotNetNuke.Common.Utilities.Config.GetConnectionString(String name) +47
DotNetNuke.Common.Utilities.Config.GetConnectionString() +78
DotNetNuke.Data.SqlDataProvider..ctor() +83
[TargetInvocationException: Exception has been thrown by the target of an invocation.]
System.RuntimeTypeHandle.CreateInstance(RuntimeType type, Boolean publicOnly, Boolean noCheck, Boolean& canBeCached, RuntimeMethodHandle& ctor, Boolean& bNeedSecurityCheck) +0
System.RuntimeType.CreateInstanceSlow(Boolean publicOnly, Boolean fillCache) +103
System.RuntimeType.CreateInstanceImpl(Boolean publicOnly, Boolean skipVisibilityChecks, Boolean fillCache) +261
System.Activator.CreateInstance(Type type, Boolean nonPublic) +66
DotNetNuke.Framework.Reflection.CreateObject(String TypeName, String CacheKey, Boolean UseCache) +232
DotNetNuke.Framework.Reflection.CreateObject(String ObjectProviderType, String ObjectProviderName, String ObjectNamespace, String ObjectAssemblyName, Boolean UseCache) +571
DotNetNuke.Data.DataProvider.CreateProvider() +39
DotNetNuke.Data.DataProvider..cctor() +13
[TypeInitializationException: The type initializer for 'DotNetNuke.Data.DataProvider' threw an exception.]
DotNetNuke.Common.Globals.GetUpgradeStatus() +67
DotNetNuke.Framework.Install.Page_Load(Object sender, EventArgs e) +248
System.Web.UI.Control.OnLoad(EventArgs e) +99
System.Web.UI.Control.LoadRecursive() +47
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1061