Server giving random error without any plugin activated

latest.log

[02:58:34] [Server thread/INFO]: seupedro joined the game
[02:58:34] [Server thread/INFO]: seupedro[/177.140.71.244:62771] logged in with entity id 245 at ([world]-83.25262847678547, 122.48119212218525, 2389.35719978464)
[02:58:59] [Server thread/INFO]: seupedro issued server command: /tps
[02:59:29] [Server thread/INFO]: TPS from last 1m, 5m, 15m: 20.0, 20.0, 20.0
[03:01:33] [Paper Watchdog Thread/ERROR]: --- DO NOT REPORT THIS TO PAPER - THIS IS NOT A BUG OR A CRASH  - git-Paper-307 (MC: 1.15.2) ---
[03:01:33] [Paper Watchdog Thread/ERROR]: The server has not responded for 20 seconds! Creating thread dump
[03:01:33] [Paper Watchdog Thread/ERROR]: ------------------------------
[03:01:33] [Paper Watchdog Thread/ERROR]: Server thread dump (Look for plugins here before reporting to Paper!):
[03:01:33] [Paper Watchdog Thread/ERROR]: ------------------------------
[03:01:33] [Paper Watchdog Thread/ERROR]: Current Thread: Server thread
[03:01:33] [Paper Watchdog Thread/ERROR]: 	PID: 18 | Suspended: false | Native: false | State: RUNNABLE
[03:01:33] [Paper Watchdog Thread/ERROR]: 	Stack:
[03:01:33] [Paper Watchdog Thread/ERROR]: 		net.minecraft.server.v1_15_R1.IEntityAccess.getEntityCollisions(IEntityAccess.java:63)
[03:01:33] [Paper Watchdog Thread/ERROR]: 		net.minecraft.server.v1_15_R1.GeneratorAccess.getEntityCollisions(GeneratorAccess.java:55)
[03:01:33] [Paper Watchdog Thread/ERROR]: 		net.minecraft.server.v1_15_R1.IEntityAccess.b(IEntityAccess.java:59)
[03:01:33] [Paper Watchdog Thread/ERROR]: 		net.minecraft.server.v1_15_R1.GeneratorAccess.b(GeneratorAccess.java:58)
[03:01:33] [Paper Watchdog Thread/ERROR]: 		net.minecraft.server.v1_15_R1.Entity.e(Entity.java:849)
[03:01:33] [Paper Watchdog Thread/ERROR]: 		net.minecraft.server.v1_15_R1.Entity.move(Entity.java:632)
[03:01:33] [Paper Watchdog Thread/ERROR]: 		net.minecraft.server.v1_15_R1.EntityLiving.e(EntityLiving.java:2270)
[03:01:33] [Paper Watchdog Thread/ERROR]: 		net.minecraft.server.v1_15_R1.EntityLiving.movementTick(EntityLiving.java:2637)
[03:01:33] [Paper Watchdog Thread/ERROR]: 		net.minecraft.server.v1_15_R1.EntityInsentient.movementTick(EntityInsentient.java:525)
[03:01:33] [Paper Watchdog Thread/ERROR]: 		net.minecraft.server.v1_15_R1.EntityMonster.movementTick(EntityMonster.java:23)
[03:01:33] [Paper Watchdog Thread/ERROR]: 		net.minecraft.server.v1_15_R1.EntityZombie.movementTick(EntityZombie.java:209)
[03:01:33] [Paper Watchdog Thread/ERROR]: 		net.minecraft.server.v1_15_R1.EntityLiving.tick(EntityLiving.java:2396)
[03:01:33] [Paper Watchdog Thread/ERROR]: 		net.minecraft.server.v1_15_R1.EntityInsentient.tick(EntityInsentient.java:288)
[03:01:33] [Paper Watchdog Thread/ERROR]: 		net.minecraft.server.v1_15_R1.EntityZombie.tick(EntityZombie.java:180)
[03:01:33] [Paper Watchdog Thread/ERROR]: 		net.minecraft.server.v1_15_R1.WorldServer.entityJoinedWorld(WorldServer.java:803)
[03:01:33] [Paper Watchdog Thread/ERROR]: 		net.minecraft.server.v1_15_R1.WorldServer$$Lambda$2681/1180944173.accept(Unknown Source)
[03:01:33] [Paper Watchdog Thread/ERROR]: 		net.minecraft.server.v1_15_R1.World.a(World.java:878)
[03:01:33] [Paper Watchdog Thread/ERROR]: 		net.minecraft.server.v1_15_R1.WorldServer.doTick(WorldServer.java:528)
[03:01:33] [Paper Watchdog Thread/ERROR]: 		net.minecraft.server.v1_15_R1.MinecraftServer.b(MinecraftServer.java:1319)
[03:01:33] [Paper Watchdog Thread/ERROR]: 		net.minecraft.server.v1_15_R1.DedicatedServer.b(DedicatedServer.java:430)
[03:01:33] [Paper Watchdog Thread/ERROR]: 		net.minecraft.server.v1_15_R1.MinecraftServer.a(MinecraftServer.java:1173)
[03:01:33] [Server thread/WARN]: Can't keep up! Is the server overloaded? Running 19974ms or 399 ticks behind
[03:01:33] [Paper Watchdog Thread/ERROR]: 		net.minecraft.server.v1_15_R1.MinecraftServer.run(MinecraftServer.java:962)
[03:01:33] [Paper Watchdog Thread/ERROR]: 		java.lang.Thread.run(Thread.java:748)
[03:01:33] [Paper Watchdog Thread/ERROR]: ------------------------------
[03:01:33] [Paper Watchdog Thread/ERROR]: --- DO NOT REPORT THIS TO PAPER - THIS IS NOT A BUG OR A CRASH ---
[03:01:33] [Paper Watchdog Thread/ERROR]: ------------------------------
[03:01:33] [Server console handler/ERROR]: Caught previously unhandled exception :
java.io.IOError: java.io.IOException: Input/output error
	at org.jline.keymap.BindingReader.readCharacter(BindingReader.java:143) ~[patched_1.15.2.jar:git-Paper-307]
	at org.jline.keymap.BindingReader.readBinding(BindingReader.java:110) ~[patched_1.15.2.jar:git-Paper-307]
	at org.jline.keymap.BindingReader.readBinding(BindingReader.java:61) ~[patched_1.15.2.jar:git-Paper-307]
	at org.jline.reader.impl.LineReaderImpl.doReadBinding(LineReaderImpl.java:848) ~[patched_1.15.2.jar:git-Paper-307]
	at org.jline.reader.impl.LineReaderImpl.readBinding(LineReaderImpl.java:868) ~[patched_1.15.2.jar:git-Paper-307]
	at org.jline.reader.impl.LineReaderImpl.readLine(LineReaderImpl.java:575) ~[patched_1.15.2.jar:git-Paper-307]
	at org.jline.reader.impl.LineReaderImpl.readLine(LineReaderImpl.java:418) ~[patched_1.15.2.jar:git-Paper-307]
	at net.minecrell.terminalconsole.SimpleTerminalConsole.readCommands(SimpleTerminalConsole.java:158) ~[patched_1.15.2.jar:git-Paper-307]
	at net.minecrell.terminalconsole.SimpleTerminalConsole.start(SimpleTerminalConsole.java:141) ~[patched_1.15.2.jar:git-Paper-307]
	at net.minecraft.server.v1_15_R1.DedicatedServer$2.run(DedicatedServer.java:90) ~[patched_1.15.2.jar:git-Paper-307]
Caused by: java.io.IOException: Input/output error
	at java.io.FileInputStream.read0(Native Method) ~[?:1.8.0_252]
	at java.io.FileInputStream.read(FileInputStream.java:207) ~[?:1.8.0_252]
	at org.jline.terminal.impl.AbstractPty$PtyInputStream.read(AbstractPty.java:73) ~[patched_1.15.2.jar:git-Paper-307]
	at org.jline.utils.NonBlockingInputStream.read(NonBlockingInputStream.java:62) ~[patched_1.15.2.jar:git-Paper-307]
	at org.jline.utils.NonBlocking$NonBlockingInputStreamReader.read(NonBlocking.java:168) ~[patched_1.15.2.jar:git-Paper-307]
	at org.jline.utils.NonBlockingReader.read(NonBlockingReader.java:57) ~[patched_1.15.2.jar:git-Paper-307]
	at org.jline.keymap.BindingReader.readCharacter(BindingReader.java:133) ~[patched_1.15.2.jar:git-Paper-307]
	... 9 more