Fatal error after enabling the module (ombedprovider_embed)

Fatal error: require() [function.require]: Failed opening required 'sites/all/modules/contrib/oembed/oembedprovider_embed/vendor/composer/autoload_namespaces.php' (include_path='.:/usr/share/php:/usr/share/pear') in /vagrant_sites/ntsnet.dev/htdocs/sites/all/modules/contrib/oembed/oembedprovider_embed/oembedprovider_embed.module on line 8