Access Token Rejected.

<img width="470" height="261" alt="Image" src="https://github.com/user-attachments/assets/23d3d2d5-64a6-4daf-8687-0f2b82513856" />

I am able to launch it to Playground, yet when attpempting to get it to work in Teams i recieve this error. I already tried filling my secret key into appsettings.json to no success. Anyone else got this? Thanks 