Loading Game

1. Opened MC Launcher
2. Clicked Join For a Single-Player world
3. Then It said: The game crashed whilst ticking memory connection
   Error: java.lang.IllegalArgumentException: Invalid message its_meow.betteranimalsplus.network.ClientConfigurationPacket

Crash Log
crash-2019-09-23_18.21.00-server.txt

Versions:

• Forge Version: Forge 28.1.0
• MC Version: 1.14.4
• Mod Version: 7.1.2

This log implies another issue. Try finding your full latest.log or debug.log from the logs folder. I'm thinking another mod of yours is out of date and crashing

debug.log
latest.log

Those logs have no better animals plus installed.