Getting error while adding "Hello world in team meeting" app to team

[itsyashpal]

In the meeting when i click on save the config ,i am getting below erro
"We couldn't save your tab settings. Please try again."

[JerryYangKai]

Hi @itsyashpal ! Could you please provide more information for us to tracking it? Like teams toolkit version, repro steps, output log and screenshot, thanks.