操そう作さミス

noun

operational error; operation mistake

Refers to a mistake made while operating a machine, vehicle, system, or device. Common in technical and everyday contexts.

• 操そう作さミスで機き械かいが止とまってしまった。

  The machine stopped due to an operational error.

• パソコンの操そう作さミスでデータを消けしてしまった。

  I accidentally deleted the data because of a computer operation mistake.