a fuss about nothing

An inordinate amount of stress, concern, frustration, or anger over something that is not actually very important. The senator claimed the outrage over the supposed scandal was all a fuss about nothing. Because I was injured on set, I had to be taken to the emergency room, even though it was just a dislocated thumb. It was a lot of fuss about nothing, but we had to follow company policy.

a ˌfuss about ˈnothing

a lot of anger or worry about something that is not important: She complained about her food twice in the restaurant. She was making a lot of fuss about nothing — I thought everything was fine.