Human error; mistakes or failures made by people, typically referring to operator or judgment errors rather than mechanical faults.
調査の結果、今回の事故はヒューマンエラーが原因と判明した。
After investigation, it was found that the cause of the accident was human error.
ヒューマンエラーを減らすために、作業手順を見直した。
We reviewed the work procedures to reduce human error.
ソフトウェアのバグとヒューマンエラーを区別することが重要だ。
It's important to distinguish between software bugs and human error.