[Plugin: Social Connect] cannnot use yahoo and google login

after setting the plugin,i found that the yahoo and google buttom is not working . Some error occoured.

here comes the error message
Warning: get_headers() [function.get-headers]: https:// wrapper is disabled in the server configuration by allow_url_fopen=0 in /home/ryanchou/domains/iteaches.com/public_html/wp-content/plugins/social-connect/openid/openid.php on line 220

Warning: get_headers() [function.get-headers]: This function may only be used against URLs in /home/ryanchou/domains/iteaches.com/public_html/wp-content/plugins/social-connect/openid/openid.php on line 220

Warning: file_get_contents() [function.file-get-contents]: https:// wrapper is disabled in the server configuration by allow_url_fopen=0 in /home/ryanchou/domains/iteaches.com/public_html/wp-content/plugins/social-connect/openid/openid.php on line 255

Warning: file_get_contents(https://www.google.com/accounts/o8/id) [function.file-get-contents]: failed to open stream: no suitable wrapper could be found in /home/ryanchou/domains/iteaches.com/public_html/wp-content/plugins/social-connect/openid/openid.php on line 255

Warning: file_get_contents() [function.file-get-contents]: https:// wrapper is disabled in the server configuration by allow_url_fopen=0 in /home/ryanchou/domains/iteaches.com/public_html/wp-content/plugins/social-connect/openid/openid.php on line 255

Warning: file_get_contents(https://www.google.com/accounts/o8/id) [function.file-get-contents]: failed to open stream: no suitable wrapper could be found in /home/ryanchou/domains/iteaches.com/public_html/wp-content/plugins/social-connect/openid/openid.php on line 255
No servers found!

http://wordpress.org/extend/plugins/social-connect/