link to the error:
https://haste.gravitlauncher.com/018fc6a4-43ac-7e34-bd99-c3052dc575ff
I start the server and it doesn’t work, I went through a bunch of options, Googled it, nothing that is written on the Internet helps.
I really want the server to continue working, but because of this error I can’t
CrashReport: Description: Exception in server tick loop

java.lang.NullPointerException: type cannot be null
at com.google.common.base.Preconditions.checkNotNull(Preconditions.java:787)
at com.comphenix.protocol.injector.StructureCache.getStructure(StructureCache.java:138)
at com.comphenix.protocol.events.PacketContainer.(PacketContainer.java:126)
at com.comphenix.protocol.injector.netty.manager.NetworkManagerInjector.onPacketSending(NetworkManagerInjector.java:96)
at com.comphenix.protocol.injector.netty.channel.NettyChannelInjector.processOutbound(NettyChannelInjector.java:553)
at com.comphenix.protocol.injector.netty.channel.NettyChannelInjector$2.doProxyRunnable(NettyChannelInjector.java:456)
at com.comphenix.protocol.injector.netty.channel.NettyEventLoopProxy.proxyRunnable(NettyEventLoopProxy.java:43)
at com.comphenix.protocol.injector.netty.channel.NettyEventLoopProxy.execute(NettyEventLoopProxy.java:252)
at net.minecraft.server.v1_16_R3.NetworkManager.writePacket(NetworkManager.java:507)
at net.minecraft.server.v1_16_R3.NetworkManager.sendPacket(NetworkManager.java:356)
at net.minecraft.server.v1_16_R3.ServerConnection.c(ServerConnection.java:182)
at net.minecraft.server.v1_16_R3.MinecraftServer.b(MinecraftServer.java:1597)
at net.minecraft.server.v1_16_R3.DedicatedServer.b(DedicatedServer.java:449)
at net.minecraft.server.v1_16_R3.MinecraftServer.a(MinecraftServer.java:1416)
at net.minecraft.server.v1_16_R3.MinecraftServer.w(MinecraftServer.java:1142)
at net.minecraft.server.v1_16_R3.MinecraftServer.lambda$a$0(MinecraftServer.java:293)
at java.base/java.lang.Thread.run(Thread.java:831)