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Latest Dropbox API with Newtonsoft.Json 12.0.3

Hi, I am using the latest Dropbox API 5.5.0 in my C# project, I have Newtonsoft.Json 12.0.3 installed (as the dependency says Newtonsoft.Json (>= 7.0.1)). When I try to get the Access Token, I receive this error

Could not load file or assembly 'Newtonsoft.Json, Version=6.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed' or one of its dependencies. The located assembly's manifest definition does not match the assembly reference. (Exception from HRESULT: 0x80131040)

In my app config, I have this

<dependentAssembly>
        <assemblyIdentity name="Newtonsoft.Json" publicKeyToken="30ad4fe6b2a6aeed" culture="neutral" />
        <bindingRedirect oldVersion="0.0.0.0-12.0.0.0" newVersion="12.0.0.0" />
      </dependentAssembly>

I can't downgrade my Newtonsoft.Json to version 6.0.0.0 because other packages require version 12.0.3. Is there any solution for this?

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Greg-DB

I believe you should be able to use the Dropbox library with Newtonsoft.Json 12.0.3. (I just tried and it does seem to work for me.)

We did receive a report like this a few years ago, but that was apparently resolved by using a binding redirect like you already have in place.

It's unclear why your error message is referencing version 6.0.0.0 though, since that version is neither supported by the Dropbox library nor installed in your project, per your description.

There's a similar post here, which indicates it may help to reinstall the library.

Jack2905

Apparently upgrading from the old Dropbox API to the latest version didn't delete the old Newtonsoft.Json package correctly (Visual Studio bugs maybe). I deleted all the packages and re-installed, and it seemed to work.

omarprogrammer

hi,

I'm having the same issue. Dropbox.api keeps asking for newtonsoft.json version=7.0.0

I've removed and readded the library a couple of times with the same effect

Greg-DB

@omarprogrammer I included a few links that may help in my previous comment. Please review those for more information.