API Facebook

Boa Noite, estou estudando a API do facebook, porem na hora de instalar da esse erro

Internal Server Error

The server encountered an internal error or misconfiguration and was unable to complete your request.

Please contact the server administrator, webmaster@facebook.laboratoriominimax.com.br and inform them of the time the error occurred, and anything you might have done that may have caused the error.

More information about this error may be available in the server error log.

Additionally, a 404 Not Found error was encountered while trying to use an ErrorDocument to handle the request.

Ja efetuei todas as configurações que o leia-me pede e ainda não da certo... alguem ai ja trabalhou com isso ?