Getting a crash loading the server.

Crash Log (REQUIRED)
https://pastebin.com/7FyaybF1

Versions:

• Minecraft Version: 1.15.2
• Forge Version: forge-1.15.2-31.2.27
• Mod Version: betteranimalsplus-1.15.2-8.2.1.96

Additional context
Full mod list: https://pastebin.com/F4xVDSWA

This crash log doesn't have a useful error. I would need the full server log.