This issue is not solved in a development build.

Describe the bug
I was using this plugin and getting an error. When I tested some of the code in my plugin, the error remained.

Console log.

To Reproduce

1. Add a listener to the packet "PacketType.Play.Client.CHAT_COMMAND"
2. Write code in the "onPacketReceiving()" method
3. Receive an error when the packet arrives.

Expected behavior
Successfully execute code without error.

Screenshots

Version Info
https://pastebin.com/YRQGVCyu

Additional context
I asked on the forum about this error, other people didn't have it.