mistake, error
I don't know what mistake you're talking about.
— Manon des sources (1986)
Era perfecto, excepto por un pequeño detalle, un pequeño error.
It was perfect, except for one small detail, one small mistake.
— Pacto de sangre (1944)
La policía comprendió su terrible error.
The police realized their terrible mistake.
— Paddington 2 (2017)
Y si hay algún error lo descubriré.
And if there are any mistakes, I'll find them out.
— Sin piedad (2026)
De no haber sido por este error, nuestro equipo podría haber ganado el partido.
Had it not been for this mistake, our team could have won the game.
No entiendo cómo he podido cometer semejante error.
I don't understand how I could have made such a mistake.
Él tiene miedo de cometer algún error.
He is afraid of making a mistake.