I can't connect to R trader pro/ Rithmic / platforms on weekends. 1 year ago Updated Rithmic servers are closed on weekends, so it's normal that you can't connect. Related articles Rithmic connection How do I sign Rithmic agreements on MAC? Using the NinjaTrader platform with Phidias Propfirm? Quantower connection Quantower : object refrence not set to an instance of an object