---- Minecraft Crash Report ----
// Shall we play a game?

Time: 01.05.20 00:20
Description: Ticking memory connection

java.lang.NullPointerException: Ticking memory connection
	at ms$a$$Lambda$3061/55543660.apply(Unknown Source)
	at ms$a.a(SourceFile:346)
	at ms.b(SourceFile:108)
	at my$a.a(SourceFile:460)
	at my$a.serialize(SourceFile:330)
	at com.google.gson.internal.bind.TreeTypeAdapter.write(TreeTypeAdapter.java:81)
	at com.google.gson.Gson.toJson(Gson.java:669)
	at com.google.gson.Gson.toJsonTree(Gson.java:562)
	at com.google.gson.Gson.toJsonTree(Gson.java:541)
	at com.google.gson.internal.bind.TreeTypeAdapter$GsonContextImpl.serialize(TreeTypeAdapter.java:155)
	at mp$b.a(SourceFile:260)
	at mp$b.a(SourceFile:275)
	at mp$b.a(SourceFile:282)
	at mp$b.a(SourceFile:282)
	at mp$b.serialize(SourceFile:132)
	at com.google.gson.internal.bind.TreeTypeAdapter.write(TreeTypeAdapter.java:81)
	at com.google.gson.Gson.toJson(Gson.java:669)
	at com.google.gson.Gson.toJson(Gson.java:648)
	at com.google.gson.Gson.toJson(Gson.java:603)
	at com.google.gson.Gson.toJson(Gson.java:583)
	at mp$b.a(SourceFile:343)
	at cdh.a(SourceFile:46)
	at cdh.b(SourceFile:102)
	at or.<init>(SourceFile:71)
	at yf.a(SourceFile:1096)
	at yf.a(SourceFile:780)
	at yf.a(SourceFile:903)
	at yf.a(SourceFile:1029)
	at yr.c(SourceFile:472)
	at yt.m(SourceFile:870)
	at yt.f(SourceFile:785)
	at yt.c(SourceFile:764)
	at abe.a(SourceFile:192)
	at zn.c(SourceFile:111)
	at zn.b(SourceFile:63)
	at mc.a(SourceFile:230)
	at zk.c(SourceFile:171)
	at net.minecraft.server.MinecraftServer.b(SourceFile:912)
	at net.minecraft.server.MinecraftServer.a(SourceFile:839)
	at enx.a(SourceFile:89)
	at net.minecraft.server.MinecraftServer.run(SourceFile:698)
	at java.lang.Thread.run(Thread.java:745)


A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------

-- Head --
Thread: Server thread
Stacktrace:
	at ms$a$$Lambda$3061/55543660.apply(Unknown Source)
	at ms$a.a(SourceFile:346)
	at ms.b(SourceFile:108)
	at my$a.a(SourceFile:460)
	at my$a.serialize(SourceFile:330)
	at com.google.gson.internal.bind.TreeTypeAdapter.write(TreeTypeAdapter.java:81)
	at com.google.gson.Gson.toJson(Gson.java:669)
	at com.google.gson.Gson.toJsonTree(Gson.java:562)
	at com.google.gson.Gson.toJsonTree(Gson.java:541)
	at com.google.gson.internal.bind.TreeTypeAdapter$GsonContextImpl.serialize(TreeTypeAdapter.java:155)
	at mp$b.a(SourceFile:260)
	at mp$b.a(SourceFile:275)
	at mp$b.a(SourceFile:282)
	at mp$b.a(SourceFile:282)
	at mp$b.serialize(SourceFile:132)
	at com.google.gson.internal.bind.TreeTypeAdapter.write(TreeTypeAdapter.java:81)
	at com.google.gson.Gson.toJson(Gson.java:669)
	at com.google.gson.Gson.toJson(Gson.java:648)
	at com.google.gson.Gson.toJson(Gson.java:603)
	at com.google.gson.Gson.toJson(Gson.java:583)
	at mp$b.a(SourceFile:343)
	at cdh.a(SourceFile:46)
	at cdh.b(SourceFile:102)
	at or.<init>(SourceFile:71)
	at yf.a(SourceFile:1096)
	at yf.a(SourceFile:780)
	at yf.a(SourceFile:903)
	at yf.a(SourceFile:1029)
	at yr.c(SourceFile:472)
	at yt.m(SourceFile:870)
	at yt.f(SourceFile:785)
	at yt.c(SourceFile:764)
	at abe.a(SourceFile:192)
	at zn.c(SourceFile:111)
	at zn.b(SourceFile:63)
	at mc.a(SourceFile:230)

-- Ticking connection --
Details:
	Connection: mc@4c2bae42
Stacktrace:
	at zk.c(SourceFile:171)
	at net.minecraft.server.MinecraftServer.b(SourceFile:912)
	at net.minecraft.server.MinecraftServer.a(SourceFile:839)
	at enx.a(SourceFile:89)
	at net.minecraft.server.MinecraftServer.run(SourceFile:698)
	at java.lang.Thread.run(Thread.java:745)

-- System Details --
Details:
	Minecraft Version: 20w18a
	Minecraft Version ID: 20w18a
	Operating System: Windows 10 (amd64) version 10.0
	Java Version: 1.8.0_51, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 2242910264 bytes (2139 MB) / 3791650816 bytes (3616 MB) up to 4294967296 bytes (4096 MB)
	CPUs: 4
	JVM Flags: 9 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xss1M -Xmx4096M -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=16M
	Player Count: 1 / 8; [yu['NeunEinser'/4604, l='ServerLevel[Testwelt]', x=-1644.90, y=56.00, z=-945.50]]
	Data Packs: vanilla
	Type: Integrated Server (map_client.txt)
	Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.