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Date/Time: Sun, 15 Jun 2025 16:15:13 +0000



Post From: SUBINSTANCES - Connection Problem

[2025-06-09 16:44:25]
John - SC Support - Posts: 40422
You can close the sub-instances and then start them again by selecting "File >> New Instance". Just keep in mind that when you select New Instance, the actual instance that is opened is in a sequential order based on what is already open. So if there are no sub-instances already running, select New Instance will start Sub-Instance 2, then Sub-Instance 3, etc. (there is no sub-instance 1, the first sub-instance starts at #2).

If you have specific sub-instance numbers that are not sequential, then the only way to open just those would be by closing the main instance and starting again.

But there is no reason for there to be an issue with a sub-instance when opening a chartbook. We do see the error in the log portion you sent, and we do not know why you would be getting that error.

Do you have multiple installations of Sierra Chart installed in that computer?
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