Item Duplication:

• Upon breaking any rolling stock, the subsequent drops are duplicated.

Player Teleportation:

• When moving through certain chunks (occurs randomly), the player will see two trains and then become stuck floating in air until it teleports away.

How to reproduce
Steps to reproduce the unwanted behavior:

• Duplication
• Teleporation

Expected behaviour

• Item drops to be singular
• Player's not to get teleported around

System Information
OS: Windows 10

System Memory: 32Gb

Allocated Client Memory: 10240Mb

Allocated Server Memory: 9Gb

CPURyzen 7 3700x

GPU: Rtx 3060

IR-Version: 1.9.1

Forge-Version: 1.12.2 - 14.23.5.2860

Modlist
Mods in use

latest.log

• Client
• Server

Additional context
Any crash related mentions on the client logs are related to a separate bug from a separate mod that occurs on world entering/exiting or server connection/disconnection. This bug has been replicated without the mod in question.
It occurs with all default rolling stocks and extra ones.