---- Minecraft Crash Report ---- // Shall we play a game? Time: 5/19/19 5:01 PM Description: Exception in server tick loop java.util.concurrent.CompletionException: java.lang.OutOfMemoryError: Java heap space at java.util.concurrent.CompletableFuture.encodeThrowable(Unknown Source) at java.util.concurrent.CompletableFuture.completeThrowable(Unknown Source) at java.util.concurrent.CompletableFuture$AsyncSupply.run(Unknown Source) at agk.h(SourceFile:135) at agk.p(SourceFile:114) at ve$a.p(SourceFile:507) at ve.d(SourceFile:239) at net.minecraft.server.MinecraftServer.aW(SourceFile:708) at net.minecraft.server.MinecraftServer.p(SourceFile:696) at agk.bf(SourceFile:99) at net.minecraft.server.MinecraftServer.o(SourceFile:680) at net.minecraft.server.MinecraftServer.run(SourceFile:636) at java.lang.Thread.run(Unknown Source) Caused by: java.lang.OutOfMemoryError: Java heap space at java.util.ArrayList.<init>(Unknown Source) at com.google.common.collect.Lists.newArrayListWithCapacity(Lists.java:190) at ii.a(SourceFile:62) at ib.a(SourceFile:438) 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 bya.e(SourceFile:53) at us.f(SourceFile:728) at us.i(SourceFile:445) at us$$Lambda$2097/1926401892.get(Unknown Source) ... 11 more A detailed walkthrough of the error, its code path and all known details is as follows: --------------------------------------------------------------------------------------- -- System Details -- Details: Minecraft Version: 1.14.1 Operating System: Windows 10 (amd64) version 10.0 Java Version: 1.8.0_211, Oracle Corporation Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation Memory: 2721614376 bytes (2595 MB) / 4147642368 bytes (3955 MB) up to 4147642368 bytes (3955 MB) JVM Flags: 2 total; -Xmx4G -Xms4G Player Count: 0 / 20; [] Data Packs: vanilla Is Modded: Unknown (can't tell) Type: Dedicated Server (map_server.txt)