Describe the bug

[23:09:44] [Server thread/ERROR]: Error occurred while handling event 'ServerEvents.recipes': Wrapped java.lang.NullPointerException (server_scripts:script.js#9)

How to reproduce the bug

一進遊戲就會

Expected behavior

我朋友進到世界後就會閃退

Additional details

No response

Which minecraft version are you using?

1.16 - UNSUPPORTED

On which mod loaders does it happen?

Forge

Crash log

[23:09:44] [Server thread/ERROR]: Error occurred while handling event 'ServerEvents.recipes': Wrapped java.lang.NullPointerException (server_scripts:script.js#9)