点一下这个类的名字，你将发现在这个对话框的右边会出现上下箭头。
Click the name of the class and you'll see that up and down arrows appear on the right side of the dialog box.
如果你发现弹出这个错误消息对话框，忽略它并在启动服务器后重新执行上面的步骤就可以了。
If you receive this error message, just dismiss the dialog box, start the server, and redo the step you were on.
文档中的任何可疑标签错误都将显示在标签验证对话框中，应用程序状态栏将显示已发现可能错误。
Any suspected tag errors in documents will be displayed in the tag Validation dialog and the applications status bar will indicate that possible errors have been found.
应用推荐