Not receiving messages from the Yellow bot on MS Teams

We have just finished integrating the bot on yellow with Teams. and now I am not getting any response in teams, you can refer the SS.

could you please help us to fix this issue.


Hey, @gaurav have you cross-checked your integration details once.?
Please go through the doc once Microsoft Teams |

we have followed the steps from docs carefully. and added the manifest file as well. and also cross checked again.
Still we are not getting any response from the yellow side.
Please help us to get this fixed