允许您设置向导的错误文本。

Allows you to set the error text of the wizard.

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可以检索精确的错误代码、错误文本甚至导致错误的那一行。

The exact error code, the error text, and even the line that caused the error can be retrieved.

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如果抛出任何错误，错误文本将保存在名为“error”的变量中，该变量可以被访问。

If any errors are thrown, the error text is saved in the variable named 'error' and can then be accessed.

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