Confirmations

• I can verify that I am running the mod on the latest possible Minecraft version.
• I can verify that the issue I am reporting exists on the latest possible Mod version.

Mod version (NOT Minecraft version)

Enchancment: 1.21-r9 || BetterEnd: 21.0.11

A description of the issue

With both of these mods enabled, it is impossible to open a world. This is what shows up whenever you enter the world:

Connection Lost
Internal Exception:io.netty.handler.codec.EncoderException: Failed to encode packet 'clientbound/minecraft:update_recipes'

Log or crash report

https://gist.github.com/HowardDaFlamingo/7f2f4765ef3d11566aba25ffe5057323