I Created a Odoo API using XML-RPC by Ripcord to Connect my Odoo site with my PHP site,

in Localhost , it worked fine, but when i used it in Live Server (http://gtptc.com/odoo_api/impact_api.php)

it Returns Error,

Error Message:

Notice: Undefined variable: http_response_header in /home/gtptc/public_html/odoo_api/ripcord/ripcord_client.php on line 485

Fatal error: Uncaught Ripcord_TransportException: Could not access http://158.140.133.95:8069/xmlrpc/2/common in /home/gtptc/public_html/odoo_api/ripcord/ripcord_client.php:488 Stack trace: #0 /home/gtptc/public_html/odoo_api/ripcord/ripcord_client.php(228): Ripcord_Transport_Stream->post('http://158.140....', '<?xml version="...') #1 /home/gtptc/public_html/odoo_api/impact_api.php(30): Ripcord_Client->__call('authenticate', Array) #2 {main} thrown in /home/gtptc/public_html/odoo_api/ripcord/ripcord_client.php on line 488

Please Help me to Solve this error

Thank you