Welcome to the Atlassian Community!
What do you mean by "deleted backlog"? Did you delete the board that contained the backlog? Turn off the "backlog" function in the project? Delete the issues in the backlog? Edited the issues so that they no longer appear in the backlog?
Connect with like-minded Atlassian users at free events near you!Find an event
Connect with like-minded Atlassian users at free events near you!
Unfortunately there are no Community Events near you at the moment.Host an event
You're one step closer to meeting fellow Atlassian users at your local event. Learn more about Community Events