YOU SAID:

To err is human when I make the mistake

INTO JAPANESE

私が間違いを犯したとき、間違いを犯すのは人間です

BACK INTO ENGLISH

When I make mistakes, it's humans who make mistakes

INTO JAPANESE

私がミスをすると、ミスをするのは人間です

BACK INTO ENGLISH

When I make a mistake, it's human to make a mistake

INTO JAPANESE

私が間違いを犯すとき、間違いを犯すのは人間です

BACK INTO ENGLISH

When I make mistakes, it's humans who make mistakes

INTO JAPANESE

私がミスをすると、ミスをするのは人間です

BACK INTO ENGLISH

When I make a mistake, it's human to make a mistake

INTO JAPANESE

私が間違いを犯すとき、間違いを犯すのは人間です