I believe it has something to do with entities spawning in the tripwires.
Used this preset:
minecraft:bedrock,2*minecraft:dirt,minecraft:grass_block,minecraft:tripwire;minecraft:plains;
MC-146422
Creating a flat world with tripwires above the grass blocks cause the game to crash
Resolved
Duplicate
1
Thank you for your report!
We're actually already tracking this issue at MC-136224, so we will resolve and link this ticket as a duplicate.
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