Open Website\Web.config
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Find the following snippet:
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​<dependentAssembly>
<assemblyIdentity name="Newtonsoft.Json" publicKeyToken="30ad4fe6b2a6aeed" />
<bindingRedirect oldVersion="0.0.0.0-6.0.0.0" newVersion="6.0.0.0" />
</dependentAssembly>
​
​

Update range: oldVersion <c/code> to "0.0.0.0-11.0.0.0". It should look like this:
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<dependentAssembly>
<assemblyIdentity name="Newtonsoft.Json" publicKeyToken="30ad4fe6b2a6aeed" />
<bindingRedirect oldVersion="0.0.0.0-11.0.0.0" newVersion="6.0.0.0" />
</dependentAssembly>
​
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Save Web.config.
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Now you can install the new version of the Smartling connector.
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If you installed the connector and see the following error when trying to submit any item, review that change in Web.config to make sure it's correct, and was saved.
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