Support Board
Date/Time: Sun, 02 Aug 2026 19:50:20 +0000
Post From: Incorrect Determination: ACSIL Study Compatibility/Stability Issue Versions 2917 to 2921
| [2026-06-18 14:51:04] |
| Sierra_Chart Engineering - Posts: 24358 |
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It is this sc structure member which was incorrectly changed: float PointAndFigureXOGraphDrawTypeBoxSize = 0.0; It was changed to: double PointAndFigureXOGraphDrawTypeBoxSize = 0.0; When it should have been changed to this type: t_ChartArrayDataType PointAndFigureXOGraphDrawTypeBoxSize = 0.0; t_ChartArrayDataType is currently defined as a float. So any structure members that your custom study uses after sc.PointAndFigureXOGraphDrawTypeBoxSize will not function correctly. It will lead to instability and a malfunction. At the right time, t_ChartArrayDataType will be changed to a double. And at that time Sierra Chart will be updated to not execute a custom study function from older versions which were compiled in versions where t_ChartArrayDataType is a float. The solution to the problem is very simple, simply just recompile, your custom studies when updating to version 2921 and higher. 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, use the Teton service: Sierra Chart Teton Futures Order Routing Date Time Of Last Edit: 2026-06-18 14:57:57
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