Error from client pasted below if it helps. Can spawn things from JEI in survival mode normally, just crashes when in creative. Can still use normal creative mode inventory fine as well.
The game crashed whilst mousereleased event handler
Error: java.lang.IndexOutOfBoundsException: Index 54 out of bounds for length 54
Steps to Reproduce the Crash
Mod Pack URL (Optional)
https://www.curseforge.com/minecraft/modpacks/wolfs-phenomenamon
Mod Pack Version (Optional)
1.0
Extra Notes (Optional)
Error from client pasted below if it helps. Can spawn things from JEI in survival mode normally, just crashes when in creative. Can still use normal creative mode inventory fine as well.
The game crashed whilst mousereleased event handler Error: java.lang.IndexOutOfBoundsException: Index 54 out of bounds for length 54
Crash Report
https://gist.github.com/Wolfability/3fb0863676eea6c2c34120061b64c5d8