---- Minecraft Crash Report ---- // I bet Cylons wouldn't have this problem. Time: 11/29/18 10:00 PM Description: Exception ticking world java.lang.AbstractMethodError: bxx$$Lambda$1102/39296394.a(Lcom/mojang/datafixers/Dynamic;)Ljava/lang/Object; at yg.a(SourceFile:18) at cat.(SourceFile:44) at bvl$a.(SourceFile:29) at bxc$$Lambda$1040/806005031.load(Unknown Source) at cax.a(SourceFile:86) at bqu.a(SourceFile:614) at bqu.a(SourceFile:229) at ui.d(SourceFile:439) at ui$$Lambda$2062/1043629050.get(Unknown Source) at java.util.concurrent.CompletableFuture$AsyncSupply.run(CompletableFuture.java:1582) at ui$$Lambda$2079/1519206384.accept(Unknown Source) at java.util.ArrayList.forEach(ArrayList.java:1249) at ui.e(SourceFile:369) at net.minecraft.server.MinecraftServer.q(SourceFile:641) at net.minecraft.server.MinecraftServer.p(SourceFile:625) at net.minecraft.server.MinecraftServer.a(SourceFile:422) at dog.a(SourceFile:91) at dog.d(SourceFile:107) at net.minecraft.server.MinecraftServer.run(SourceFile:562) at java.lang.Thread.run(Thread.java:745) A detailed walkthrough of the error, its code path and all known details is as follows: --------------------------------------------------------------------------------------- -- Head -- Thread: Server thread Stacktrace: at yg.a(SourceFile:18) at cat.(SourceFile:44) at bvl$a.(SourceFile:29) at bxc$$Lambda$1040/806005031.load(Unknown Source) at cax.a(SourceFile:86) at bqu.a(SourceFile:614) at bqu.a(SourceFile:229) at ui.d(SourceFile:439) at ui$$Lambda$2062/1043629050.get(Unknown Source) at java.util.concurrent.CompletableFuture$AsyncSupply.run(CompletableFuture.java:1582) at ui$$Lambda$2079/1519206384.accept(Unknown Source) at java.util.ArrayList.forEach(ArrayList.java:1249) at ui.e(SourceFile:369) at net.minecraft.server.MinecraftServer.q(SourceFile:641) at net.minecraft.server.MinecraftServer.p(SourceFile:625) -- Affected level -- Details: Level name: Wisteria All players: 0 total; [] Chunk stats: ServerChunkCache: 2025 Level seed: -2861752284785354625 Level generator: ID 00 - default, ver 1. Features enabled: true Level generator options: {} Level spawn location: World: (-80,69,-16), Chunk: (at 0,4,0 in -5,-1; contains blocks -80,0,-16 to -65,255,-1), Region: (-1,-1; contains chunks -32,-32 to -1,-1, blocks -512,0,-512 to -1,255,-1) Level time: 51280 game time, 61821 day time Level dimension: 0 Level storage version: 0x04ABD - Anvil Level weather: Rain time: 16635 (now: true), thunder time: 12310 (now: false) Level game mode: Game mode: survival (ID 0). Hardcore: false. Cheats: false Stacktrace: at net.minecraft.server.MinecraftServer.b(SourceFile:782) at net.minecraft.server.MinecraftServer.a(SourceFile:716) at dog.a(SourceFile:128) at net.minecraft.server.MinecraftServer.run(SourceFile:582) at java.lang.Thread.run(Thread.java:745) -- System Details -- Details: Minecraft Version: 18w48a 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: 848310200 bytes (809 MB) / 1879048192 bytes (1792 MB) up to 2147483648 bytes (2048 MB) JVM Flags: 9 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xss1M -Xmx2G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=32M Player Count: 0 / 8; [] Data Packs: vanilla Type: Integrated Server (map_client.txt) Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.