Question

I try to make simple “hello world” app for facebook. But when i try to enter my app it says 404 error.
app link: https://apps.facebook.com/caponekuponfb/

I cant upload my config screen so i will re-write it:

---

## Basic information ##
App Display Name: Kupony Capone
App Namespace: caponekuponfb
Contact Email: address@address
App Domain: blank
Category: None
Hosting URL: You have not generated a URL through one of our partners (Get one)

## App on Facebook ##
Canvas URL: http://www.adamlakomy.pl/
Secure Canvas URL: https://ssl.1and1.pl/adamlakomy.pl/
Canvas Page: http://apps.facebook.com/caponekuponfb

## Facebook Tab ##
Page Tab Name: Kupon zniżkowy w Capone
Page Tab URL: http://www.adamlakomy.pl/kupon.html
Secure Page Tab URL: https://ssl.1and1.pl/adamlakomy.pl/kupon.html
Page Tab Edit URL: blank

Rest is blank/default 

Where problem is?

Answer 1

http://www.adamlakomy.pl/ is also answering with 404 error. When you open http://apps.facebook.com/caponekuponfb you’re forwarded to http://www.adamlakomy.pl/ und there is the 404 error