All of Fabric 4 modpack.

[13:56:14] [Netty Server IO #1/FATAL]: Exception occurred in netty pipeline
net.minecraft.util.crash.CrashException: Sending packet
at net.minecraft.server.network.ServerPlayNetworkHandler.sendPacket(ServerPlayNetworkHandler.java:1159) ~[intermediary-1.17.1.jar:?]
at net.minecraft.server.network.ServerPlayNetworkHandler.sendPacket(ServerPlayNetworkHandler.java:1147) ~[intermediary-1.17.1.jar:?]
at net.flytre.biome_locator.server.ServerBiomeDataProcessor.sendDataToClient(ServerBiomeDataProcessor.java:39) ~[biome_locator-1.17.1-1.3.1.jar:?]
at net.flytre.biome_locator.network.RequestDataC2SPacket.apply(RequestDataC2SPacket.java:19) ~[biome_locator-1.17.1-1.3.1.jar:?]
at net.flytre.biome_locator.network.RequestDataC2SPacket.apply(RequestDataC2SPacket.java:9) ~[biome_locator-1.17.1-1.3.1.jar:?]
at net.minecraft.network.ClientConnection.handlePacket(ClientConnection.java:163) ~[intermediary-1.17.1.jar:?]
at net.minecraft.network.ClientConnection.channelRead0(ClientConnection.java:150) ~[intermediary-1.17.1.jar:?]
at net.minecraft.network.ClientConnection.channelRead0(ClientConnection.java:53) ~[intermediary-1.17.1.jar:?]
at io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:105) ~[netty-all-4.1.25.Final.jar:4.1.25.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) [netty-all-4.1.25.Final.jar:4.1.25.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) [netty-all-4.1.25.Final.jar:4.1.25.Final]
at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) [netty-all-4.1.25.Final.jar:4.1.25.Final]
at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1434) [netty-all-4.1.25.Final.jar:4.1.25.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) [netty-all-4.1.25.Final.jar:4.1.25.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) [netty-all-4.1.25.Final.jar:4.1.25.Final]
at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:965) [netty-all-4.1.25.Final.jar:4.1.25.Final]
at io.netty.channel.local.LocalChannel.readInbound(LocalChannel.java:304) [netty-all-4.1.25.Final.jar:4.1.25.Final]
at io.netty.channel.local.LocalChannel.finishPeerRead0(LocalChannel.java:446) [netty-all-4.1.25.Final.jar:4.1.25.Final]
at io.netty.channel.local.LocalChannel.access$400(LocalChannel.java:51) [netty-all-4.1.25.Final.jar:4.1.25.Final]
at io.netty.channel.local.LocalChannel$5.run(LocalChannel.java:404) [netty-all-4.1.25.Final.jar:4.1.25.Final]
at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:163) [netty-all-4.1.25.Final.jar:4.1.25.Final]
at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:404) [netty-all-4.1.25.Final.jar:4.1.25.Final]
at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:465) [netty-all-4.1.25.Final.jar:4.1.25.Final]
at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:884) [netty-all-4.1.25.Final.jar:4.1.25.Final]
at java.lang.Thread.run(Unknown Source) [?:?]
Caused by: java.lang.IllegalArgumentException: Payload may not be larger than 1048576 bytes
at net.minecraft.network.packet.s2c.play.CustomPayloadS2CPacket.(CustomPayloadS2CPacket.java:39) ~[intermediary-1.17.1.jar:?]
at net.minecraft.network.ClientConnection.localvar$cjb000$flytre_lib$modifySentPacket(ClientConnection.java:562) ~[intermediary-1.17.1.jar:?]
at net.minecraft.network.ClientConnection.send(ClientConnection.java) ~[intermediary-1.17.1.jar:?]
at net.minecraft.server.network.ServerPlayNetworkHandler.sendPacket(ServerPlayNetworkHandler.java:1152) ~[intermediary-1.17.1.jar:?]