Botkit, transfer to agent not working for me

im trying to configure the BotKit for agent transfer with the tutorial ,(https://developer.kore.ai/docs/bots/sdks/botkit-sdk-tutorial-agent-transfer/) but its not working, i did every step in the tutorial except for this part:


i dont see the OnAgentTransferNode option in my bot:

Other than that i have done everything, ill leave the error that appears on the ngrok terminal when i try to say hello to the bot: