Hey, I get a weird crash that seems to have to do something with the spawner. I don't have any idea if I am correct, though. Using the latest versions, just released earlier.

https://pastebin.com/FavTiLRR

See if deleting your rftools.cfg and letting it regenerate fixes it.

Nope. I get a similar/same crash.

https://pastebin.com/KUTiRGKK

This looks the same as #1769. Can you try following the same troubleshooting instructions I put there?

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