at sixes and sevens
at sixes and sevens {adj. phr.}
Not in order; in confusion; in a mess.
He apologized because his wife was away and the house was at sixes and sevens.
Our teacher had just moved to a new classroom, and she was still at sixes and sevens.
After the captain of the team broke his leg, the other players were at sixes and sevens.
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Source: A Dictionary of American Idioms