SharePoint CSOM: The type of data is different than the one expected

Question

Attempting to access an Office 365 SharePoint online site with the latest CSOM library version gives this error during a file copy operation although it does complete the operation successfully.

System.InvalidOperationException
  HResult=0x80131509
  Message=The type of data at position 148 is different than the one expected.
  Source=Microsoft.SharePoint.Client.Runtime
  StackTrace:
   at Microsoft.SharePoint.Client.JsonReader.ReadGuid()
   at Microsoft.SharePoint.Client.JsonReader.Read_Guid(JsonReader reader)
   at Microsoft.SharePoint.Client.JsonReader.Read[T]()
   at Microsoft.SharePoint.Client.ClientResult`1.Microsoft.SharePoint.Client.IFromJson.FromJson(JsonReader reader)
   at Microsoft.SharePoint.Client.ClientRequest.ProcessResponseStream(Stream responseStream)
   at Microsoft.SharePoint.Client.ClientRequest.ProcessResponse()
   at Microsoft.SharePoint.Client.ClientRequest.<ExecuteQueryToServerAsync>d__53.MoveNext()
   at Microsoft.SharePoint.Client.ClientRequest.<ExecuteQueryAsync>d__39.MoveNext()
   at Microsoft.SharePoint.Client.ClientRuntimeContext.<ExecuteQueryAsync>d__57.MoveNext()
   at Microsoft.SharePoint.Client.ClientContext.<ExecuteQueryAsync>d__23.MoveNext()
   at Program.<Main>d__5.MoveNext() in C:\Source\Playground\Program.cs:line 66

Here is the response body from the server:

[
  {
    "SchemaVersion": "15.0.0.0",
    "LibraryVersion": "16.0.23710.12002",
    "ErrorInfo": null,
    "TraceCorrelationId": "1dc8b5a0-90d7-3000-a365-ef20f67bed77"
  },
  1,
  null
]

NuGet doesn't show any 15.0 versions I can downgrade to.