---- Minecraft Crash Report ---- // Quite honestly, I wouldn't worry myself about that. Time: 4/18/19 10:53 PM Description: Exception in server tick loop java.util.concurrent.CompletionException: m: Loading NBT data at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:273) at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:280) at java.util.concurrent.CompletableFuture$AsyncSupply.run(CompletableFuture.java:1592) at agg.h(SourceFile:135) at agg.p(SourceFile:114) at vd$a.p(SourceFile:438) at vd.d(SourceFile:194) at net.minecraft.server.MinecraftServer.aW(SourceFile:708) at net.minecraft.server.MinecraftServer.p(SourceFile:696) at agg.bf(SourceFile:99) at net.minecraft.server.MinecraftServer.o(SourceFile:680) at net.minecraft.server.MinecraftServer.run(SourceFile:636) at java.lang.Thread.run(Thread.java:748) Caused by: m: Loading NBT data at ib.a(SourceFile:444) at ib.a(SourceFile:81) at ib.a(SourceFile:438) at ib.a(SourceFile:81) at im.a(SourceFile:113) at im.a(SourceFile:78) at im.a(SourceFile:74) at bxx.e(SourceFile:53) at us.f(SourceFile:688) at us.i(SourceFile:422) at java.util.concurrent.CompletableFuture$AsyncSupply.run(CompletableFuture.java:1590) ... 10 more Caused by: java.io.UTFDataFormatException: malformed input around byte 2 at java.io.DataInputStream.readUTF(DataInputStream.java:656) at java.io.DataInputStream.readUTF(DataInputStream.java:564) at ib.b(SourceFile:431) at ib.a(SourceFile:78) at ii.a(SourceFile:65) at ib.a(SourceFile:438) ... 20 more A detailed walkthrough of the error, its code path and all known details is as follows: --------------------------------------------------------------------------------------- -- System Details -- Details: Minecraft Version: 1.14 Pre-Release 4 Operating System: Linux (amd64) version 4.15.0-47-generic Java Version: 1.8.0_202, Oracle Corporation Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation Memory: 2619069496 bytes (2497 MB) / 3757572096 bytes (3583 MB) up to 11453595648 bytes (10923 MB) JVM Flags: 2 total; -Xms128M -Xmx12288M Player Count: 5 / 20; [vg['Tomsnodgrass'/31, l='world', x=-419.89, y=74.00, z=-2030.99], vg['Nearbie'/613, l='world', x=751.47, y=24.00, z=1058.17], vg['JensTheGreat1'/1177, l='world', x=93.83, y=61.00, z=158.59], vg['xJohnnyD7'/1187, l='world', x=-210.49, y=72.50, z=-2054.92], vg['StealthSyndica_'/3420, l='world', x=-188.98, y=67.92, z=-2036.80]] Data Packs: vanilla, file/Multiplayer Sleep (incompatible), file/more bricks crafting v1.0.0.zip (incompatible), file/uncraftable ice v1.0.0.zip (incompatible), file/customizable armor stands v2.3.1.zip (incompatible), file/staticadditions (incompatible) Is Modded: Unknown (can't tell) Type: Dedicated Server (map_server.txt)