Error initial connection

Plugin:
limboapi 1.1.27 + limboauth 1.1.14

exception encountered in net.elytrium.limboapi.server.LimboSessionHandlerImpl@42fbb781
java.lang.IllegalStateException: Current PreparedPacket is not prepared for 1.16.4
at net.elytrium.limboapi.thirdparty.fastprepare.handler.PreparedPacketEncoder.write(PreparedPacketEncoder.java:78) ~[?:?]
at io.netty.channel.AbstractChannelHandlerContext.write(AbstractChannelHandlerContext.java:827) ~[velocity.jar:3.4.0-SNAPSHOT (git-d2d333a9-b528)]
at io.netty.channel.AbstractChannelHandlerContext.write(AbstractChannelHandlerContext.java:752) ~[velocity.jar:3.4.0-SNAPSHOT (git-d2d333a9-b528)]
at io.netty.channel.DefaultChannelPipeline.write(DefaultChannelPipeline.java:1036) ~[velocity.jar:3.4.0-SNAPSHOT (git-d2d333a9-b528)]
at io.netty.channel.Channel.write(Channel.java:267) ~[velocity.jar:3.4.0-SNAPSHOT (git-d2d333a9-b528)]
at com.velocitypowered.proxy.connection.MinecraftConnection.delayedWrite(MinecraftConnection.java:250) ~[velocity.jar:3.4.0-SNAPSHOT (git-d2d333a9-b528)]
at net.elytrium.limboapi.server.LimboImpl.onSpawn(LimboImpl.java:566) ~[?:?]
at net.elytrium.limboapi.server.LimboImpl.spawnPlayerLocal(LimboImpl.java:456) ~[?:?]
at net.elytrium.limboapi.server.LimboImpl.lambda$spawnPlayerLocal$17(LimboImpl.java:545) ~[?:?]
at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:148) ~[velocity.jar:3.4.0-SNAPSHOT (git-d2d333a9-b528)]
at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:141) ~[velocity.jar:3.4.0-SNAPSHOT (git-d2d333a9-b528)]
at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:507) ~[velocity.jar:3.4.0-SNAPSHOT (git-d2d333a9-b528)]
at io.netty.channel.SingleThreadIoEventLoop.run(SingleThreadIoEventLoop.java:183) ~[velocity.jar:3.4.0-SNAPSHOT (git-d2d333a9-b528)]
at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:1073) ~[velocity.jar:3.4.0-SNAPSHOT (git-d2d333a9-b528)]
at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[velocity.jar:3.4.0-SNAPSHOT (git-d2d333a9-b528)]
at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[velocity.jar:3.4.0-SNAPSHOT (git-d2d333a9-b528)]
at java.base/java.lang.Thread.run(Thread.java:1570) [?:?]