When setting up email on the Blackberry will suddenly appear only error and Error “Sorry Unable to continue your session. Please login again” one of the causes of problems like this because we often mutually SIM Card or operator,
to solve a problem like this can try the following tips. Sign in to mobile.blackberry.com from your Blackberry browser, then select the state, on the page that appears scrolls down until it finds Communicate – Email, then follow the data requested.
If the above trick still does not work, try the Hard Reset and HRT, it is better to contact the operator that is used to help setting up email on your Blackberry.