Changes

 <div style="background-color: #E3FBE5;">Uncheck '''Note:Read-Only API'''That is required to set box.# Set the Port (Socket port) number to the same value both in IB TWS and IB Broker Profile in MultiCharts. <div style="background-color: #E3FBE5;">'''Note:''' If more than one IB TWS will be used, then separate Broker Profile should be created per each additional IB TWS and set their '''Port''' numbers accordingly, but each IB Broker profile should have unique Port number, that corresponds to one IB TWS. </div> That is required to add # Add '''127.0.0.1''' to '''Trusted IP Addresses'''or check the '''"Allow connections from localhost only"''' box (only if TWS is running on the same PC). If TWS is running on a remote PC - you should specify its IP address.