I have signed an app with phonegap build and I am using FB connect but once I try to login, Facebook sends back a message Invalid key hash. The key hash ### does not match any stored key hashes. However when I try to add the key hash on the Facebook Developer page the hash key is not being validated in the textfield. If I however add one extra letter to the hash it's validated and it receives the blue css label with the X mark. Any idea why the hash is not validated?
Thanks!