Issue with Deep Link to Meeting Side Panel in Microsoft Teams

Dear Team,

I hope this message finds you well.

We are currently experiencing an issue with the deep link to the meeting side panel in Microsoft Teams. Despite following the documentation provided at the link below, the functionality is not working as expected:

https://learn.microsoft.com/en-gb/microsoftteams/platform/concepts/build-and-test/deep-link-workflow?tabs=teamsjs-v2#deep-link-to-meeting-side-panel

When attempting to use the deep link, we encounter the following issue:

• Instead of opening our custom application in the side panel, the meeting window opens with the chat displayed on the right-hand side.
• And in the background, I am getting the below error.

   

We would appreciate your assistance in resolving this matter, as the deep link is a critical component for our application integration within Microsoft Teams.

Thank you for your prompt attention to this issue.

Best regards,

Sukesh PK