Error during/causing lagg

[Maxopoly]

Happens once per tick per player (estimated) during lagg spikes. Not sure if a symptom or the cause. IP/Name were not censored, they are like that.

[17:23:40 INFO]: [Minecraft.OFC] [OFC] Error while obtaining metadata for playerUNKNOWN[/127.0.0.1:41383]: The method hasMetadata is not supported for temporary players.
[17:23:40 WARN]: java.lang.UnsupportedOperationException: The method hasMetadata is not supported for temporary players.
[17:23:40 WARN]: at com.comphenix.protocol.injector.server.TemporaryPlayerFactory$1.intercept(TemporaryPlayerFactory.java:144)
[17:23:40 WARN]: at com.comphenix.protocol.injector.server.TemporaryPlayer$$EnhancerByCGLIB$$4798650c.hasMetadata()
[17:23:40 WARN]: at com.lishid.orebfuscator.config.OrebfuscatorConfig.playerBypassMetadata(OrebfuscatorConfig.java:293)
[17:23:40 WARN]: at com.lishid.orebfuscator.config.OrebfuscatorConfig.obfuscateForPlayer(OrebfuscatorConfig.java:262)
[17:23:40 WARN]: at com.lishid.orebfuscator.hook.ProtocolLibHandler$1.onPacketSending(ProtocolLibHandler.java:106)
[17:23:40 WARN]: at com.comphenix.protocol.injector.SortedPacketListenerList.invokeSendingListener(SortedPacketListenerList.java:195)
[17:23:40 WARN]: at com.comphenix.protocol.injector.SortedPacketListenerList.invokePacketSending(SortedPacketListenerList.java:149)
[17:23:40 WARN]: at com.comphenix.protocol.injector.PacketFilterManager.handlePacket(PacketFilterManager.java:588)