Better beacon bug #6700

Describe the bug

you get disconnected when select unavailable effect, like effect that you havn't unlock yet and regen 2
don't know if this log would be any help.

[Server thread/WARN]: Player ServerPlayer['telsof23'/5, l='ServerLevel[s]', x=-79.76, y=0.00, z=13.48] tried to set invalid beacon effects
[Netty Local IO #4/INFO]: Clearing potions...
[Netty Local IO #4/INFO]: Stopping JEI
[Netty Local IO #4/INFO]: Sending Runtime Unavailable...
[Netty Local IO #4/INFO]: Sending Runtime Unavailable took 466.0 microseconds
[Server thread/INFO]: telsof23 lost connection: Disconnected
[Server thread/INFO]: telsof23 left the game

Steps to reproduce

1. turn on better beacon module
2. select a normally locked effect

Meteor Version

26.2-35

Minecraft Version

26.2

Operating System

Windows

Before submitting a bug report

• This bug wasn't already reported (I have searched bug reports on GitHub).

• This is a valid bug (I am able to reproduce this on the latest dev build).