Is there an existing issue for this?

• I have searched the existing issues

Observed behaviour

so I'd use a spell that and everytime I use it it crashes my game and gives me an error but once I reload I have the effects of the spell but it seems crash for no reason?

Expected behaviour

to use the spell normally

Steps to reproduce

1. put spell on wand
2. use spell
3. Die

Crashlog

https://gist.github.com/grannymannyman/03b880e0befd8e49fd5d241feaa1117e

Environment (Singleplayer/Server, etc.)

Singleplayer

Mod version

4.3.7

Minecraft version

1.12.2

Forge version

1.12.2

Other mods

No response

What you've sent is likely the debug.log, and the last bit is missing so it has no info which is relevant for your issue. Do you have any crash log files in your crash log folder?