Upgrade from 9.05 to 9.10.2 - System.Web.Http version error

[mp9007]

Hi, when copy/pasting upgrade files into my website folder and then going the the /install/upgradwizard.aspx, I have many errors in my log.
I guess it is because in my bin folder, I have System.Web.Http version 5.2.3 and not 5.2.7.
But I dont know how to update this file. I did update extensions I had : 2sxc and CKEditor.
Why can't I find the newer version of System.Web.Http in the upgrade /bin folder ?

Thanks.

Here is the error I get. This error is repeated for many other services.

[Thread:40][ERROR] DotNetNuke.Web.DependencyInjectionInitialize - Unable to configure services for DotNetNuke.Modules.CoreMessaging, Version=9.5.0.0, Culture=neutral, PublicKeyToken=null, see exception for details
LoaderException: Could not load file or assembly 'System.Web.Http, Version=5.2.7.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35' or one of its dependencies. The located assembly's manifest definition does not match the assembly reference. (Exception from HRESULT: 0x80131040)
System.Reflection.ReflectionTypeLoadException: Unable to load one or more of the requested types. Retrieve the LoaderExceptions property for more information.
at System.Reflection.RuntimeModule.GetTypes(RuntimeModule module)
at System.Reflection.Assembly.GetTypes()
at DotNetNuke.DependencyInjection.Extensions.TypeExtensions.SafeGetTypes(Assembly assembly, ILog logger)

[mitchelsellers]

Please follow the suggested upgrade path as outlined in the documentation. An intermediate upgrade step can prevent these issues.

[mp9007]

I followed the suggested upgrade path. I even did multiple other steps than the suggested upgrade path because I had a lot of issues.

I originally had version 9.02. I did :

• 9.02 to 9.03
• 9.03 to 9.04
• 9.04 to 9.05

I then tried

• 9.05 to 9.06, same error
• 9.05 to 9.06.2, same error
• 9.05 to 9.10.2, same error