Rider Warning

Hello dear friends,
I just installed the rider theme and here the error it shows me on the home page:

Warning: getimagesize() [function.getimagesize]: http:// wrapper is disabled in the server configuration by allow_url_fopen=0 in /htdocs/wp-content/themes/229ecoutetheme/header.php on line 30

Warning: getimagesize(http://229ecoute.com/wp-content/uploads/2015/11/logo229ecoute-3ans.png) [function.getimagesize]: failed to open stream: no suitable wrapper could be found in /htdocs/wp-content/themes/229ecoutetheme/header.php on line 30

I’m turning around for two weeks. someone has an idea to help me? My site is under maintenance