I Have a question regarding ADO Work item

i am using ADO xls integration. Xls which was created by open in xls option, in that xls somehow i deleted the query which available in row 1, later i readded that query but now my connection to ADO not working i.e. teams tab is completed greyed out. How i can fix this connection. i don’t want to create new sheet

We use sub areas for our Sprint teams and have them all roll up to a “MOAB” type backlog that we use at the portfolio level. This allows each team to view and manage their own backlog while giving our product team the ability to view and manage the backlog across team and align priority across teams.