ἐξαμαρτάνεσθαι

From LSJ

μὴ δὶς πρὸς τὸν αὐτὸν λίθον πταίειν → do not stumble twice on the same stone

Source

Greek > English (Woodhouse Verbs Reversed)

(see also: ἐξαμαρτάνω) be mismanaged