I have downloaded the Source Installation for DNN5.2.1. When I unzip it, the web.config file is missing. If I open the solution in VS2008, the DotnetNuke.Modules.HTML is missing. However, I am able to build the solution.

But then, if i run the website, it fails with the following error, which I assume is due to the missing web.config. Have I missed something, is there information around somewhere that I need?

Exception Details: System.NullReferenceException: Object reference not set to an instance of an object.

Source Error:

Line 931:            ' first call GetProviderPath - this insures that the Database is Initialised correctly
Line 932:            'and also generates the appropriate error message if it cannot be initialised correctly
Line 933:            strMessage = DataProvider.Instance().GetProviderPath()
Line 934:
Line 935:            ' get current database version from DB

The DNN 5.2.2 source installation fixes the missing HTML module

I've figured it out - as explained in the notes on the codeplax page, there is no web.config with the 'Source' install - you must rename development.config to web.config and then set the entries for the db connections (both in connections and in appsettings) from there.

Do not copy a web.config from another system!

Also - during the install wizard, make sure you check the 'install as owner' checkbox otherwise the install will fail with an object not found error.