[ProtocolLib] [PacketFilterManager] [AAC5]

Issue description

https://pastebin.com/ksjF0dfm

The error appears while starting the server .

Core information

Server version: This server is running SSSpigot version SSSpigot2-1.16.5-20211009-9c92269 (MC: 1.16.5) (Implementing API version 1.16.5-R0.1-SNAPSHOT)

AAC version: v5.2.0

ProtocolLib version: v4.7.0

Special environment information

ViaVersion version: v4.0.1

ProtocolSupport version: v1.16.5-3

[Janmm14]

Not an error. Its just a warning.