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。

youdao

Of course, as with any human-driven service, there's room for error.

当然正如任何一种人工服务一样，过程中有可能出现错误。

youdao

However use of custom error payloads require the service consumer do additional client side handling to parse response messages to determine if the invocation could be determined to be successful.

尽管如此，使用定制化错误消息体仍然要求服务消费者做额外的客户端处理程序来解析响应消息从而判断调用是否成功。

youdao

Medicare substantially improved its claims documentation, and reduced its error rate reporting in the Fee for Service portion of the program from 10.1% in FY 2004 to 5.2% in FY 2005.

WHITEHOUSE: Testimony of Clay Johnson III

What a pity that his service should come to a premature end through the collision of personal error and a zero-tolerance culture.

FORBES: Thoughts On Power, Petraeus and Sex Scandals