Describe the bug
Game crash when attack an entity

Where playing in SinglePlayer or Multiplayer?
-SinglePlayer

To Reproduce
Steps to reproduce the behavior:

1. Install PotionCore and Ambience Extra
2. Run with forge 1.12.2 2857
3. Attack any entity

Expected behavior
It should allow me to attack an entity without crashing the game

Screenshots
If applicable, add screenshots to help explain your problem.

Mods used or modpack (please complete the following information):

• Mods https://gist.github.com/W1nter-isHere/4c24df8b688390f3a22768fe2d07f748

**Mod Version used:
-Mod Version 1.7.8

**Please send the followings files to help track the issue:
I have not customized the ambience.properties yet.
https://gist.github.com/W1nter-isHere/79b3690ed988f26782fd8769763de183

Additional context
I am not sure if this is a issue in potioncore or ambience extra. But I hope you can take a look and fix the issue.

Just removed potioncore, still crashing.

Issue seems to be fixed after enabling ambience in the config :/