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

Time: 31.07.18 22:31
Description: Ticking entity

java.lang.ClassCastException: bgt cannot be cast to bci
	at apf.j(SourceFile:640)
	at apf.b(SourceFile:386)
	at apf.R_(SourceFile:307)
	at axv.a(SourceFile:1202)
	at tc.a(SourceFile:577)
	at axv.g(SourceFile:1177)
	at axv.k(SourceFile:1083)
	at axv$$Lambda$1616/505433395.test(Unknown Source)
	at xm.a(SourceFile:209)
	at axv.l(SourceFile:1070)
	at tc.l(SourceFile:493)
	at net.minecraft.server.MinecraftServer.b(SourceFile:736)
	at net.minecraft.server.MinecraftServer.a(SourceFile:661)
	at dga.a(SourceFile:159)
	at net.minecraft.server.MinecraftServer.run(SourceFile:564)
	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 apf.j(SourceFile:640)
	at apf.b(SourceFile:386)
	at apf.R_(SourceFile:307)
	at axv.a(SourceFile:1202)
	at tc.a(SourceFile:577)
	at axv.g(SourceFile:1177)

-- Entity being ticked --
Details:
	Entity Type: minecraft:minecart (api)
	Entity ID: 28
	Entity Name: Minecart
	Entity's Exact location: 4.50, 4.06, 21.50
	Entity's Block location: World: (4,4,21), Chunk: (at 4,0,5 in 0,1; contains blocks 0,0,16 to 15,255,31), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)
	Entity's Momentum: 0.00, -0.08, 0.00
	Entity's Passengers: []
	Entity's Vehicle: ~~ERROR~~ NullPointerException: null
Stacktrace:
	at axv.k(SourceFile:1083)
	at axv$$Lambda$1616/505433395.test(Unknown Source)
	at xm.a(SourceFile:209)
	at axv.l(SourceFile:1070)
	at tc.l(SourceFile:493)

-- Affected level --
Details:
	Level name: VillageSaplings
	All players: 0 total; []
	Chunk stats: ServerChunkCache: 625 Drop: 0
	Level seed: -8031162770081723911
	Level generator: ID 01 - flat, ver 0. Features enabled: true
	Level generator options: {biome:"minecraft:savanna",layers:[{block:"minecraft:bedrock",height:1},{block:"minecraft:dirt",height:2},{block:"minecraft:grass_block",height:1}],structures:{village:{}}}
	Level spawn location: World: (0,4,0), Chunk: (at 0,0,0 in 0,0; contains blocks 0,0,0 to 15,255,15), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)
	Level time: 1647439 game time, 1000 day time
	Level dimension: 0
	Level storage version: 0x04ABD - Anvil
	Level weather: Rain time: 6000 (now: true), thunder time: 6000 (now: true)
	Level game mode: Game mode: creative (ID 1). Hardcore: false. Cheats: true
Stacktrace:
	at net.minecraft.server.MinecraftServer.b(SourceFile:736)
	at net.minecraft.server.MinecraftServer.a(SourceFile:661)
	at dga.a(SourceFile:159)
	at net.minecraft.server.MinecraftServer.run(SourceFile:564)
	at java.lang.Thread.run(Thread.java:745)

-- System Details --
Details:
	Minecraft Version: 18w30b
	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: 330627896 bytes (315 MB) / 587202560 bytes (560 MB) up to 1073741824 bytes (1024 MB)
	JVM Flags: 9 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xss1M -Xmx1G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=16M
	Profiler Position: N/A (disabled)
	Player Count: 0 / 8; []
	Data Packs: vanilla, file/packname (incompatible)
	Type: Integrated Server (map_client.txt)
	Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.