Continuous illiger spawn until game crashes

Pillagers continuously spawn until game crashes.

19w11b\: [^crash-2019-03-19_00.01.55-server.txt]

Description: Ticking entity

java.lang.NullPointerException: Ticking entity
	at ahw.c(SourceFile:1205)
	at avt$a.e(SourceFile:265)
	at ang.e(SourceFile:55)
	at als$$Lambda$2807/1830294637.accept(Unknown Source)
	at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184)
	at java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:175)
	at java.util.Iterator.forEachRemaining(Iterator.java:116)
	at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801)
	at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:512)
	at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:502)
	at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151)
	at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174)
	at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
	at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418)
	at als.a(SourceFile:80)
	at aig.cW(SourceFile:614)
	at aif.k(SourceFile:2202)
	at aig.k(SourceFile:478)
	at atb.k(SourceFile:38)
	at avt.k(SourceFile:75)
	at aif.h(SourceFile:2051)
	at aig.h(SourceFile:292)
	at atb.h(SourceFile:50)
	at vc.a(SourceFile:578)
	at vc$$Lambda$2640/901797151.accept(Unknown Source)
	at bfx.a(SourceFile:668)
	at vc.a(SourceFile:381)
	at net.minecraft.server.MinecraftServer.b(SourceFile:816)
	at net.minecraft.server.MinecraftServer.a(SourceFile:755)
	at dwb.a(SourceFile:128)
	at net.minecraft.server.MinecraftServer.run(SourceFile:630)
	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 ahw.c(SourceFile:1205)
	at avt$a.e(SourceFile:265)
	at ang.e(SourceFile:55)
	at als$$Lambda$2807/1830294637.accept(Unknown Source)
	at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184)
	at java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:175)
	at java.util.Iterator.forEachRemaining(Iterator.java:116)
	at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801)
	at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:512)
	at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:502)
	at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151)
	at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174)
	at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
	at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418)
	at als.a(SourceFile:80)
	at aig.cW(SourceFile:614)
	at aif.k(SourceFile:2202)
	at aig.k(SourceFile:478)
	at atb.k(SourceFile:38)
	at avt.k(SourceFile:75)
	at aif.h(SourceFile:2051)
	at aig.h(SourceFile:292)
	at atb.h(SourceFile:50)
	at vc.a(SourceFile:578)
	at vc$$Lambda$2640/901797151.accept(Unknown Source)

-- Entity being ticked --
Details:
	Entity Type: minecraft:pillager (atf)
	Entity ID: 17029
	Entity Name: Pillager
	Entity's Exact location: -181.50, 69.00, 1864.50
	Entity's Block location: World: (-182,69,1864), Chunk: (at 10,4,8 in -12,116; contains blocks -192,0,1856 to -177,255,1871), Region: (-1,3; contains chunks -32,96 to -1,127, blocks -512,0,1536 to -1,255,2047)
	Entity's Momentum: 0.00, -0.08, 0.00
	Entity's Passengers: []
	Entity's Vehicle: ~~ERROR~~ NullPointerException: null
Stacktrace:
	at bfx.a(SourceFile:668)
	at vc.a(SourceFile:381)

-- Affected level --
Details:
	Level name: TomLovesCyndie!
	All players: 1 total; [vd['TomOlsen'/70, l='TomLovesCyndie!', x=-190.48, y=71.94, z=1839.59]]
	Chunk stats: ServerChunkCache: 4095
	Level seed: 1087621674
	Level generator: ID 00 - default, ver 1. Features enabled: true
	Level generator options: {}
	Level spawn location: World: (-32,67,96), Chunk: (at 0,4,0 in -2,6; contains blocks -32,0,96 to -17,255,111), Region: (-1,0; contains chunks -32,0 to -1,31, blocks -512,0,0 to -1,255,511)
	Level time: 290765 game time, 290765 day time
	Level dimension: 0
	Level storage version: 0x04ABD - Anvil
	Level weather: Rain time: 6326 (now: false), thunder time: 25707 (now: false)
	Level game mode: Game mode: survival (ID 0). Hardcore: false. Cheats: true
Stacktrace:
	at net.minecraft.server.MinecraftServer.b(SourceFile:816)
	at net.minecraft.server.MinecraftServer.a(SourceFile:755)
	at dwb.a(SourceFile:128)
	at net.minecraft.server.MinecraftServer.run(SourceFile:630)
	at java.lang.Thread.run(Thread.java:745)