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Issue Description
In the tinker's crafting station. If 2 people grab the item being crafted at the same time it duplicates the item.

Modpack version (Do not use "latest")
1.41 (I don't know if this is solved in newer versions as we will be updating today)

Logs

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The exact same logic applies though. An inventory contains an item, two players take that item at the same time, thus duping it.

By the way, that issue you referenced isn't the same thing. That refers to weirdness with modifying tools in the tool tool station/forge, and looks like it was caused by another mod that was present in SevTech. On the other hand, the issue reported here refers to an issue with the crafting station, which is the crafting table that keeps its items. It's a much bigger issue, and isn't mentioned in the issue you linked.

Thank you for the report, I will investigate the issue.

It has been reported a long time ago, doesn't look like it will be fixed tbh.
SlimeKnights/TinkersConstruct#3460