Error gwebpro-store-locator.php on line 366

Hi,

I have some Problems but don’t know what means the Problems?

Warning: file_get_contents() [function.file-get-contents]: URL file-access is disabled in the server configuration in /srv/www/htdocs/page/www/domain/wp-content/plugins/gwebpro-store-locator/gwebpro-store-locator.php on line 366

https://wordpress.org/plugins/gwebpro-store-locator/