Pilot error, to wit failure to follow procedures, was the cause of the accident.

飞行员的失误，即没有遵守操作程序，是事故的原因。

《牛津词典》

This script deals with only one possible error: a failure to connect to the database.

这个脚本只处理一个可能的错误：数据库连接故障。

youdao

The most likely causes of instance failure are human error, service failure, or file corruption.

最有可能导致实例故障的情况包括人为错误、服务失败、或者文件损坏。

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It was only when the design was able to pass strict enterprise-grade Zero Error standard of 400 units surviving 500 hours of the toughest continuous testing without a single error or failure that the drive was manufactured.

ENGADGET: Plextor M5 Pro bulges SSD envelope with 94K IOPS and 540MB/s

Wells Fargo's revised policy takes back unpaid compensation awards in the event of misconduct, material error, failure to supervise or in the event the company or an individual executive's business group has a material downturn in financial performance or failure of risk management.

WSJ: Banks Bow to New York on Clawbacks

Hania said, however, it is more likely that a network error or system failure caused the problem.

CNN: Microsoft Web sites suffer large scale blackout