You will need to update the credentials for your TopstepTrader connection.
- Click "Connections"
- Click "Configure"
- Under Configured, click "TopstepTraderConnection"
- Update the User name and/or Password (found in Account Information email)
- Click "Apply"
- Click "Ok"
- From the NinjaTrader Control Center, click Connections and click "TopstepTraderConnection"
You should now see a green circle on the bottom left of your NinjaTrader Control Panel and also another one next to TopstepTrader when clicking on Connections.