“I get an error” tells us nothing. That is as unprecise as “My car won't start'” 🙂
*Exactly what* error do you get? Please tell Error no. and error message! But it could be one of:
http://webyog.com/faq/content/23/15/en/error-no-2003-can_t-connect.html
http://webyog.com/faq/content/23/18/en/error-no-1045-connection-denied.html
.. for instance.