System.ArrayTypeMismatchException Error when trying to initialize DirectLineClient

[Mounicadvp]

Background:
Trying to connect to copilot studio agent using Direct Line.

1. Fetch the DirectLineToken using the web channel security key. Result is success i.e., able to fetch the token.
2. URI used to generate the token in step 1 is https://directline.botframework.com/v3/directline/tokens/generate
3. Use the token from step 1, initialize the var directLineClient = new DirectLineClient(token),
4. Error is thrown as below: System.ArrayTypeMismatchException: Attempted to access an element as a type incompatible with the array.
   at System.Collections.Generic.List`1.Add(T item)
   at Microsoft.Bot.Connector.DirectLine.DirectLineClient.Initialize()

Expected behavior
Should be able to initialize the Client.

Screenshots
If applicable, add screenshots to help explain your problem.

Additional context
Sample code taken from https://github.com/microsoft/CopilotStudioSamples/blob/master/BotConnectorApp/BotConnectorApp/BotConnectorApp/Program.cs
Package version of Microsoft.Bot.Connector.DirectLine used is 3.0.2 (latest stable version)