World loading stuck between loading screen and game

### Modpack

FTB StoneBlock 4

### Modpack Version

1.5.0

### Describe the issue

When the world finishes loading the game appears for a moment but is unresponsive/frozen, it then starts to switch between the frozen game and the loading screen.

### Logs

[logs.tar.gz](https://github.com/user-attachments/files/24430371/logs.tar.gz)

### Has the pack been modified

No