I am trying to set up a new machine for trading with IBKR. API is set up and I am getting the correct data feed, however I can't load any historical charts past a few days and I also cannot run any back tests. I tried to place an order and it gives me an error message reading "Lost or unable to establish communication with IB TWS/GW" and asks me to verify they are running on the target machine, but at the same time, I can see that the order has been placed anyway on the IBKR side.
Any ideas?
Thanks

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