抱歉,此功能目前无法使用:处理此请求时出错.请稍后再试

Question

从昨天下午4点开始,我的所有Facebook Connect Apps都停止接受新用户.这涉及各个领域的众多应用程序.

我得到弹出的FB对话框并请求初始权限.

按下确定后,我收到以下错误:

抱歉,此功能目前无法使用:处理此请求时出错.请稍后再试.

I actually tried to join StackOverflow yesterday and got the exact same error, but StackOverflow seems to be working today. 

Unfortunately all of my sites are still down.

Any suggestions are welcome!