Users, including forum admins, sometimes gets message while editing a post, sometimes for quick edits and sometimes for longer edits - “The submitted form was invalid.用户，包括论坛管理员，有时得到的讯息，而修改后，有时为快速修改，有时甚至更长的修改-“提交的表格是无效的。 Try submitting again.”尝试再次提交“ 。

This is not really an error but one of the two protection mechanisms in place in phpBB to protect your forum from spams.这是不是真的错误，但其中两个保障到位的机制，在phpbb ，以保护您的论坛由垃圾邮件。 Here is how you can fix it.这里是如何您可以修复它。

Go to phpBB administration control panel and click on Post Settings.去phpbb政府控制面板，并点击后的设置。 Now look for Limit editing time and Flood interval options.现在寻求限制编辑的时间和洪水间隔选项。

The first setting is to limit the amount of editing time available for an user.首次设置是为了限制数额编辑的时间，供用户。 A reasonable value is 120 (minutes).一个合理的值是120 （分钟） 。

The second setting is the minimum amount of time an user must wait between posting new messages.第二个设置是最低限度的时间，用户必须等待之间发布新的讯息。 You can set it to something small like 10 seconds.你可以将它设置为一些小一样， 10秒。 However do not disable it as it is an useful spam protection.不过不要禁用它，因为它是一个有用的垃圾邮件防护。

Note: You can enable users to ignore this by altering their permissions.注意：您可以使用户能够忽视这一点，通过改变他们的权限。