Please read the guide for contributing before posting.

Minecraft version: 1.12.2
Wizardry version: 4.2.11
Environment: Server

Issue details: On various occations, when casting spells on mobs that are not Vanilla, it goes into a crash with a Ticking Entity problem.
This is both with direct target spells, AOE, and Summons attacking targets.

Other mods involved: Bewitchment, Ice and Fire, Abyssalcraft
crash-2020-06-27_15.48.02-server.txt

Link to crash report (if applicable): [give a link to the crash report on gist, pastebin, etc.]

This appears to be an issue with Bewitchment, have you reported it to their issue tracker?

Confirmed as an issue in Bewitchment, see Um-Mitternacht/Bewitchment#598.