Hello [mention removed]
Thank you for the added context and for providing a repro project, but still, pasting the contents of OutlinerCrash.txt into the Outliner, or anywhere inside the Editor, while having the FoliageTest open, did not cause a crash in my system; it just kept creating more folders:
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Regarding your question, I was able to check that if you want the folder to be called grass mesh, you need to enclose the whole text in “”, like so:
Begin FolderList Folder="grass mesh" End FolderListLet me know if you can think of anything else that might trigger the crash.
All the best,
[mention removed]