My facebook app doesnt work anymore, why is that happening?

开发者_如何学JAVAMy facebook app doesnt work anymore, why is that happening?

So assuming your app is an FBML app, it looks like your app's landing page is crashing. Check your server's error and access logs.

check developer panel from here for your canvas url address and your app and settings have the matching url working properly

I think there is problem with application secret key and api key. It seems to be different form facebook and your source code. Please check it once