Factorio Forums • [2.1.17] Crash at join with research tree open "Close active window called while game is being saved."

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[2.1.17] Crash at join with research tree open "Close active window called while game is being saved."

Posted: Tue Sep 08, 2026 7:24 pm

by Jackazor

When another person joins the session if host will click Research tree it crashes the game. Reproducable.

Re: [2.1.17] Crash at join with research tree open "Close active window called while game is being saved."

Posted: Wed Sep 09, 2026 2:12 pm

by Rseding91

Thanks for the report. This is now fixed for the next release.