Teams Scrum board does not show any issue - Tempo team issue

[Deleted user]

I have 3 boards in my project, 2 board for each team and one is unassigned. I used Tempo team field. Suddenly, team's board are not showing any issue (not in the sprint and not in the backlog) all of them are going to the unassigned board. I am suspecting something to do with the Tempo Teams. As when I look at the team board filters result I can see it there too. If I remove the team in the filter I can see them.

Does anyone know if anything has changed with tempo team?

Before the tempo team values were not showing in the dropdown when I create and edit issue. This was a couple of weeks ago and it was fixed by linking project to the team. 

Thank you!

[Nic Brough -Adaptavist-]

If things do not appear on boards, then the thing to look at is the queries for the boards.

What exactly do they say?