This is not as significant a problem as the signing issue, in that there's little reason to use two different algorithm suites in practice, but it's still an error.

这个问题不像签名问题那么严重，这是因为实践中很少有机会使用两个不同的算法套件，但它依旧是一个错误。

youdao

In practice, an error is reported when something goes wrong that has to do with content, usually unexpected, but not with the structure or well-formedness of an XML document.

实际应用中，当 XML 内容（而不是 格式或结构）出现了意想不到的问题就会报告一个错误。

youdao

The common practice also might include mechanisms to enable localization of error messages.

通常还会包括启用错误消息本地化的机制。

youdao

Schools Minister Nick Gibb said it was "unacceptably poor practice" for even one paper to contain an error, and that hard-working pupils had been let down.

BBC: Exam boards face fines over paper errors

The best strategy continues to be what many of you already practice: diversify, focus on the long term, and allow for a margin of error in all of your investment decisions.

FORBES: Don't Worry About A Double-Dip, Think Long Term And Diversification