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Date/Time: Thu, 02 May 2024 03:48:10 +0000



Post From: Not able to see stop or target on London Cocoa position

[2015-10-21 05:39:05]
Sierra Chart Engineering - Posts: 104368
The way that an order modification is performed through TWS is through the PLACE_ORDER command and specifying the same client OrderID used with the original order submission.

So the very fact that you get:

Trading Message from IB: Duplicate order id. Error Code: 103. ServiceOrderID: 0. | 2015-10-20 03:15:13

Shows that Sierra Chart is using the correct client order ID to modify the order but for some reason rather than modifying the order TWS gives this error for unknown reasons.
Sierra Chart Support - Engineering Level

Your definitive source for support. Other responses are from users. Try to keep your questions brief and to the point. Be aware of support policy:
https://www.sierrachart.com/index.php?l=PostingInformation.php#GeneralInformation

For the most reliable, advanced, and zero cost futures order routing, *change* to the Teton service:
Sierra Chart Teton Futures Order Routing