Describe the bug
When genetics resequenced is present open to lan no longer works can causes a connection lost message with an encoding error
Debug log: https://pste.me/@s5zYqMTR0_I

To Reproduce
Steps to reproduce the behavior:

1. Create a test modpack with modonomicon and genetics resequenced
2. Go to singleplayer and open to lan
3. With another client try connecting to the lan server

Expected behavior
Able to join the lan server without issues.

Screenshots

System (please complete the following information):

• Modonomicon Version: 1.21.1-neoforge-1.5.0
• OS: Windows
• Minecraft Version: 1.21
• Modpack Link and Version, or list of mods: genetics resequenced, modonomicon, jei, kotlin for forge

@Gaz492 thanks for reporting!
The author of genetics resequenced and I are currently looking into what I believe to be the underlying issue, namely how to reference the content of datapack registries (the genes) in item stacks (the spotlight page that causes the crash)