[1.20.1] Cannot load CustomFishing Plugin

[sj-hub9796]

Basic questions:

• [X] I am actually using ketting, and not any other software (e.g. magma)
• [X] I am using the latest Ketting version at the time of writing for the Minecraft version, that I am using
• [ ] I have provided full server logs and not a crash-report
• [ ] I have checked all items without reading.
• [X] I have provided proper reproduction steps
• [ ] I have ticked all boxes

What Minecraft Version is your Server on?

1.20.1

Full Ketting Version

1.20.1-47.2.32-0.2.18

Description of behavior

Same as title

Reproduction Steps

Steps to reproduce the behavior:
1. Install CustomFishing-2.1.6.2 plugin
2. (Optional) Install ItemsAdder plugin & ProtocolLib
3. launch the server

Logs

https://mclo.gs/RVBRiO1 (not a ketting's fault) https://mclo.gs/5CcByWN

Additional context

No response

[JustRed23]

This is not a Ketting issue, this is most likely an issue with the plugin.