間違いがありました。

間違いがありました。

An error was made.

間違(まちが)いがありました。

Machigai ga arimashita.

間違い (まちがい)

mistake; error; blunder; accident; mishap; trouble; improper conduct (e.g. between man and woman); indiscretion

が (が)

indicates sentence subject (occasionally object); indicates possessive (esp. in literary expressions); but; however; still; and

有る (ある)

to be (usu. of inanimate objects); to exist; to live; to have; to be located; to be equipped with; to happen; to come about

Readings: カン、ケン、あいだ、ま、あい

Meanings: interval, space

Readings: イ、ちが.う、ちが.い、ちが.える、 -ちが.える、たが.う、たが.える

Meanings: difference, differ