"Servicenow For teams" Employee Center authorizing error

[Junyu]

Dear all,

I am working on the IT Servicenow Management integration. I have followed all steps in this documentations, when I download manifest and upload the customised app in Teams, I can't not only chat but also can't display employee center:

I don't know if Servicnow is connected to my MS Teams, and I don't know what the reason is, how to troubleshoot this problem?

Thanks for your answer.

[Community Alums]

Also you may refer to https://www.servicenow.com/community/ms-teams-articles/best-practices-while-using-plugins-belonging-... for more error resolutions