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Minecraft version: 1.12.2
Wizardry version: 4.2.11
Environment: Singleplayer

crash when fighting altar spawned evil purple wizard. when wizard casts a spell it causes a {java.lang.NullPointerException: Ticking entity} it appears to be the spell (Zammle)

crash-2020-04-16_12.51.04-server.txt

Zammle is from the Arcane Essentials addon. I've forwarded this issue to their issue tracker.