Using the latest version of create. When placing a big schematic, the client will crash.
Crash Log:
https://pastebin.com/tchfJXiK

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This issue has been closed since it has been inactive for 3 weeks since it was marked as stale.

The world becomes unjoinable after this, you will simply crash on join.

My crash
crash-2020-08-28_18.00.17-client.txt

seems to be related to certain blocks in schematics.
Mine was relating to Signs on fences.
Might be exclusive to worlds that were saved in an earlier version of mc.
Also noticed this issue can happen with doors too, and seems to be banners as well in certain cases. (Perhaps when banners are placed on fences too?)