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.用戶，包括論壇管理員，有時得到的訊息，而修改後，有時為快速修改，有時甚至更長的修改-“提交的表格是無效的。 Try submitting again.”嘗試再次提交“ 。

This is not really an error but one of the two protection mechanisms in place in phpBB to protect your forum from spams.這是不是真的錯誤，但其中兩個保障到位的機制，在phpbb ，以保護您的論壇由垃圾郵件。 Here is how you can fix it.這裡是如何您可以修復它。

Go to phpBB administration control panel and click on Post Settings.去phpbb政府控制面板，並點擊後的設置。 Now look for Limit editing time and Flood interval options.現在尋求限制編輯的時間和洪水間隔選項。

The first setting is to limit the amount of editing time available for an user.首次設置是為了限制數額編輯的時間，供用戶。 A reasonable value is 120 (minutes).一個合理的值是120 （分鐘） 。

The second setting is the minimum amount of time an user must wait between posting new messages.第二個設置是最低限度的時間，用戶必須等待之間發布新的訊息。 You can set it to something small like 10 seconds.你可以將它設置為一些小一樣， 10秒。 However do not disable it as it is an useful spam protection.不過不要禁用它，因為它是一個有用的垃圾郵件防護。

Note: You can enable users to ignore this by altering their permissions.注意：您可以使用戶能夠忽視這一點，通過改變他們的權限。