Please check this site for connecting the Rithmic data feed that we provide, with your Sierra Chart license:
​Sierra Chart Setup Instructions

For system select Paper Trading instead of Rithmic 01.

Please also make sure that global simulation mode is disabled, otherwise your accounts will not show up.

Please note that Earn2Trade does not provide tech support to Sierra Chart or any other platform. We've also received reports from our users that Sierra Chart's support may not actively respond to Rithmic related issues.