Describe the bug
Game crashes on startup

To Reproduce
Steps to reproduce the behavior:

1. Install Physica and Applied Energistics 2
2. Run minecraft
3. Crash

Expected behavior
Everything is normal without physica

Screenshots

Additional context (crash Log)
https://pastebin.com/jWa06bhS

Firstly, it appears that you are running Minecraft 1.12.2. Physica is only compatible with Minecraft 1.7.10.
Secondly, If you look at the crash log Physica doesn't appear to have been loaded at all and the crash is coming from Applied Energistics only.