SOAP & PHP Error

<br /> <b>Fatal error</b>: Uncaught SoapFault exception: [HTTP] Error Fetching http headers in /home/.../public_html/wordpress/wp-content/plugins/.../test.php:24 Stack trace:
#0 [internal function]: SoapClient-&gt;__doRequest('&lt;?xml version=&quot;...', 'http://www...', 'FrameWork.Web.S...', 2, 0)
#1 /home/.../public_html/wordpress/wp-content/plugins/.../test.php(24): SoapClient-&gt;__call('ValidaRut', Array)
#2 /home/.../public_html/wordpress/wp-settings.php(198): include_once('/home/.../pu...') #3 /home/.../public_html/wordpress/wp-config.php(89): require_once('/home/.../pu...')
#4 /home/.../public_html/wordpress/wp-load.php(29): require_once('/home/.../pu...')
#5 /home/.../public_html/wordpress/wp-blog-header.php(12): require_once('/home/.../pu...')
#6 /home/.../public_html/wordpress/index.php(17): require('/home/.../pu...')
#7 {main} thrown in <b>/home/.../public_html/wordpress/wp-content/plugins/.../test.php</b> on line <b>24</b><br />