Pistons deleted by structure blocks cause a game crash

---- Minecraft Crash Report ----
// Quite honestly, I wouldn't worry myself about that.

Time: 2/6/19 8:32 PM
Description: Exception while updating neighbours

java.lang.NullPointerException: Exception while updating neighbours
	at bkf.c(SourceFile:382)
	at bid.a(SourceFile:107)
	at bid.a(SourceFile:95)
	at blc.a(SourceFile:241)
	at axy.a(SourceFile:425)
	at axy.b(SourceFile:390)
	at axy.a(SourceFile:360)
	at bxp.a(SourceFile:333)
	at bxp.b(SourceFile:179)
	at bxp.a(SourceFile:175)
	at bkf.c(SourceFile:420)
	at bid.a(SourceFile:107)
	at bid.a(SourceFile:95)
	at blc.a(SourceFile:241)
	at axy.a(SourceFile:425)
	at axy.b(SourceFile:390)
	at axy.a(SourceFile:360)
	at axy.a(SourceFile:291)
	at bkx.Y_(SourceFile:330)
	at axy.o_(SourceFile:1142)
	at td.o_(SourceFile:491)
	at net.minecraft.server.MinecraftServer.b(SourceFile:755)
	at net.minecraft.server.MinecraftServer.a(SourceFile:681)
	at dgh.a(SourceFile:131)
	at net.minecraft.server.MinecraftServer.run(SourceFile:584)
	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 bkf.c(SourceFile:382)
	at bid.a(SourceFile:107)
	at bid.a(SourceFile:95)
	at blc.a(SourceFile:241)

-- Block being updated --
Details:
	Source block type: ID #minecraft:bedrock (block.minecraft.bedrock // bge)
	Block: Block{minecraft:structure_block}[mode=load]
	Block location: World: (-53,49,239), Chunk: (at 11,3,15 in -4,14; contains blocks -64,0,224 to -49,255,239), Region: (-1,0; contains chunks -32,0 to -1,31, blocks -512,0,0 to -1,255,511)
Stacktrace:
	at axy.a(SourceFile:425)
	at axy.b(SourceFile:390)
	at axy.a(SourceFile:360)
	at bxp.a(SourceFile:333)
	at bxp.b(SourceFile:179)
	at bxp.a(SourceFile:175)
	at bkf.c(SourceFile:420)
	at bid.a(SourceFile:107)
	at bid.a(SourceFile:95)
	at blc.a(SourceFile:241)

-- Block being updated --
Details:
	Source block type: ID #minecraft:moving_piston (block.minecraft.moving_piston // bku)
	Block: Block{minecraft:structure_block}[mode=load]
	Block location: World: (-50,51,239), Chunk: (at 14,3,15 in -4,14; contains blocks -64,0,224 to -49,255,239), Region: (-1,0; contains chunks -32,0 to -1,31, blocks -512,0,0 to -1,255,511)
Stacktrace:
	at axy.a(SourceFile:425)
	at axy.b(SourceFile:390)
	at axy.a(SourceFile:360)
	at axy.a(SourceFile:291)
	at bkx.Y_(SourceFile:330)

-- Block entity being ticked --
Details:
	Name: minecraft:piston // bkx
	Block: Block{minecraft:redstone_block}
	Block location: World: (-51,51,239), Chunk: (at 13,3,15 in -4,14; contains blocks -64,0,224 to -49,255,239), Region: (-1,0; contains chunks -32,0 to -1,31, blocks -512,0,0 to -1,255,511)
	Block: Block{minecraft:redstone_block}
	Block location: World: (-51,51,239), Chunk: (at 13,3,15 in -4,14; contains blocks -64,0,224 to -49,255,239), Region: (-1,0; contains chunks -32,0 to -1,31, blocks -512,0,0 to -1,255,511)
Stacktrace:
	at axy.o_(SourceFile:1142)
	at td.o_(SourceFile:491)

-- Affected level --
Details:
	Level name: New Worldsdadas
	All players: 1 total; [tf['PhildiusX'/6922, l='New Worldsdadas', x=-55.86, y=1.86, z=217.25]]
	Chunk stats: ServerChunkCache: 2661 Drop: 0
	Level seed: -711464052538751885
	Level generator: ID 00 - default, ver 1. Features enabled: true
	Level generator options: {}
	Level spawn location: World: (-256,64,60), Chunk: (at 0,4,12 in -16,3; contains blocks -256,0,48 to -241,255,63), Region: (-1,0; contains chunks -32,0 to -1,31, blocks -512,0,0 to -1,255,511)
	Level time: 10655 game time, 10655 day time
	Level dimension: 0
	Level storage version: 0x04ABD - Anvil
	Level weather: Rain time: 34635 (now: false), thunder time: 163738 (now: false)
	Level game mode: Game mode: creative (ID 1). Hardcore: false. Cheats: true
Stacktrace:
	at net.minecraft.server.MinecraftServer.b(SourceFile:755)
	at net.minecraft.server.MinecraftServer.a(SourceFile:681)
	at dgh.a(SourceFile:131)
	at net.minecraft.server.MinecraftServer.run(SourceFile:584)
	at java.lang.Thread.run(Thread.java:745)

-- System Details --
Details:
	Minecraft Version: 1.13.2
	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: 430385576 bytes (410 MB) / 1654759424 bytes (1578 MB) up to 2134114304 bytes (2035 MB)
	JVM Flags: 7 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xss1M -Xmx2G -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:-UseAdaptiveSizePolicy -Xmn128M
	Profiler Position: N/A (disabled)
	Player Count: 1 / 8; [tf['PhildiusX'/6922, l='New Worldsdadas', x=-55.86, y=1.86, z=217.25]]
	Data Packs: vanilla
	Type: Integrated Server (map_client.txt)
	Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.