NullPointerException while tesselating block model

---- Minecraft Crash Report ----
// My bad.

Time: 27/07/18 15:11
Description: Tesselating block model

java.lang.NullPointerException: Tesselating block model
	at dhg$$Lambda$1729/167420681.getColor(Unknown Source)
	at dhg.a(SourceFile:26)
	at dhg.a(SourceFile:37)
	at cfu.k(SourceFile:40)
	at cfu$$Lambda$882/1559145228.getColor(Unknown Source)
	at cfu.a(SourceFile:102)
	at cul.a(SourceFile:235)
	at cul.c(SourceFile:106)
	at cul.a(SourceFile:47)
	at cuj.a(SourceFile:60)
	at cwj.b(SourceFile:203)
	at cwf.a(SourceFile:100)
	at cwf.run(SourceFile:43)
	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: Client thread
Stacktrace:
	at dhg$$Lambda$1729/167420681.getColor(Unknown Source)
	at dhg.a(SourceFile:26)
	at dhg.a(SourceFile:37)
	at cfu.k(SourceFile:40)
	at cfu$$Lambda$882/1559145228.getColor(Unknown Source)
	at cfu.a(SourceFile:102)
	at cul.a(SourceFile:235)
	at cul.c(SourceFile:106)

-- Block model being tesselated --
Details:
	Block: Block{minecraft:grass_block}[snowy=false]
	Block location: World: (3678,70,-4752), Chunk: (at 14,4,0 in 229,-297; contains blocks 3664,0,-4752 to 3679,255,-4737), Region: (7,-10; contains chunks 224,-320 to 255,-289, blocks 3584,0,-5120 to 4095,255,-4609)
	Using AO: false
Stacktrace:
	at cul.a(SourceFile:47)

-- Block being tesselated --
Details:
	Block: Block{minecraft:grass_block}[snowy=false]
	Block location: World: (3678,70,-4752), Chunk: (at 14,4,0 in 229,-297; contains blocks 3664,0,-4752 to 3679,255,-4737), Region: (7,-10; contains chunks 224,-320 to 255,-289, blocks 3584,0,-5120 to 4095,255,-4609)
Stacktrace:
	at cuj.a(SourceFile:60)

-- Affected level --
Details:
	Level name: MpServer
	All players: 1 total; [csy['NeilCaffrei'/5609277, l='MpServer', x=3511.33, y=64.50, z=-4874.29]]
	Chunk stats: MultiplayerChunkCache: 584, 584
	Level seed: 0
	Level generator: ID 00 - default, ver 1. Features enabled: false
	Level generator options: {}
	Level spawn location: World: (350,7,-350), Chunk: (at 14,0,2 in 21,-22; contains blocks 336,0,-352 to 351,255,-337), Region: (0,-1; contains chunks 0,-32 to 31,-1, blocks 0,0,-512 to 511,255,-1)
	Level time: 6780494 game time, 3601616 day time
	Level dimension: 0
	Level storage version: 0x00000 - Unknown?
	Level weather: Rain time: 0 (now: false), thunder time: 0 (now: false)
	Level game mode: Game mode: survival (ID 0). Hardcore: false. Cheats: false
	Forced entities: 108 total; [ake['Squid'/5764161, l='MpServer', x=3554.28, y=61.66, z=-4932.25], ake['Squid'/5764160, l='MpServer', x=3554.40, y=62.84, z=-4938.65], ajp['Cow'/5761609, l='MpServer', x=3530.83, y=65.00, z=-4918.95], akb['Sheep'/5759094, l='MpServer', x=3440.30, y=66.00, z=-4897.50], akb['Sheep'/5759093, l='MpServer', x=3429.73, y=65.00, z=-4897.42], akb['Sheep'/5759101, l='MpServer', x=3429.39, y=65.00, z=-4880.50], akb['Sheep'/5759100, l='MpServer', x=3430.84, y=65.00, z=-4894.26], ans['Zombie'/5763708, l='MpServer', x=3491.80, y=22.00, z=-4828.49], akb['Sheep'/5759099, l='MpServer', x=3439.54, y=66.00, z=-4873.82], ake['Squid'/5762682, l='MpServer', x=3494.46, y=60.00, z=-4868.42], amp['Creeper'/5764216, l='MpServer', x=3506.50, y=15.00, z=-4943.50], amp['Creeper'/5763685, l='MpServer', x=3483.50, y=48.00, z=-4892.50], ans['Zombie'/5763682, l='MpServer', x=3445.50, y=60.00, z=-4829.50], ans['Zombie'/5763693, l='MpServer', x=3511.50, y=15.00, z=-4942.50], ans['Zombie'/5763692, l='MpServer', x=3506.50, y=15.00, z=-4942.50], ans['Zombie'/5763691, l='MpServer', x=3505.50, y=15.00, z=-4940.50], anm['Spider'/5763689, l='MpServer', x=3503.50, y=15.00, z=-4941.50], ant['Zombie Villager'/5764200, l='MpServer', x=3583.50, y=16.00, z=-4844.50], ajw['Pig'/5761047, l='MpServer', x=3511.24, y=64.00, z=-4882.18], ajw['Pig'/5761046, l='MpServer', x=3499.00, y=64.00, z=-4865.00], ans['Zombie'/5762067, l='MpServer', x=3486.18, y=52.00, z=-4873.50], amp['Creeper'/5762064, l='MpServer', x=3472.50, y=52.00, z=-4883.50], ajp['Cow'/5761055, l='MpServer', x=3489.00, y=70.00, z=-4815.79], ajp['Cow'/5761054, l='MpServer', x=3489.00, y=70.00, z=-4814.34], ajw['Pig'/5761049, l='MpServer', x=3498.88, y=64.00, z=-4866.80], ajw['Pig'/5761048, l='MpServer', x=3503.27, y=64.00, z=-4866.59], ake['Squid'/5764159, l='MpServer', x=3546.07, y=62.20, z=-4925.42], ake['Squid'/5764158, l='MpServer', x=3475.11, y=52.00, z=-4937.60], aji['Bat'/5762621, l='MpServer', x=3467.59, y=24.69, z=-4915.76], csy['NeilCaffrei'/5609277, l='MpServer', x=3511.33, y=64.50, z=-4874.29], ajp['Cow'/5761057, l='MpServer', x=3490.00, y=71.00, z=-4812.00], ajp['Cow'/5761056, l='MpServer', x=3491.00, y=71.00, z=-4815.10], akb['Sheep'/5760556, l='MpServer', x=3478.61, y=64.00, z=-4858.19], akb['Sheep'/5760555, l='MpServer', x=3477.80, y=64.00, z=-4864.37], akb['Sheep'/5760554, l='MpServer', x=3483.54, y=64.00, z=-4866.22], akb['Sheep'/5760553, l='MpServer', x=3482.00, y=64.00, z=-4861.00], amp['Creeper'/5762783, l='MpServer', x=3485.50, y=22.00, z=-4844.50], amp['Creeper'/5762782, l='MpServer', x=3484.50, y=22.00, z=-4846.50], amp['Creeper'/5762780, l='MpServer', x=3489.50, y=55.00, z=-4831.50], aji['Bat'/5763267, l='MpServer', x=3467.70, y=51.40, z=-4902.43], aji['Bat'/5763265, l='MpServer', x=3461.29, y=53.03, z=-4903.51], ans['Zombie'/5764299, l='MpServer', x=3505.50, y=22.00, z=-4842.50], ans['Zombie'/5764298, l='MpServer', x=3499.50, y=22.00, z=-4842.50], ajw['Pig'/5759735, l='MpServer', x=3461.80, y=64.00, z=-4907.18], ajw['Pig'/5759734, l='MpServer', x=3459.07, y=64.00, z=-4901.47], ajw['Pig'/5759733, l='MpServer', x=3451.65, y=64.00, z=-4913.27], ajw['Pig'/5759732, l='MpServer', x=3453.24, y=64.00, z=-4902.92], aji['Bat'/5763313, l='MpServer', x=3482.86, y=49.07, z=-4883.25], anj['Skeleton'/5763836, l='MpServer', x=3494.50, y=24.00, z=-4819.50], amp['Creeper'/5763835, l='MpServer', x=3496.50, y=24.00, z=-4814.50], aji['Bat'/5763813, l='MpServer', x=3501.64, y=45.03, z=-4800.48], aji['Bat'/5763811, l='MpServer', x=3505.08, y=49.98, z=-4807.59], aji['Bat'/5763809, l='MpServer', x=3496.10, y=54.06, z=-4796.72], amp['Creeper'/5762784, l='MpServer', x=3486.50, y=22.00, z=-4847.50], aji['Bat'/5763311, l='MpServer', x=3472.91, y=52.63, z=-4884.53], aji['Bat'/5762711, l='MpServer', x=3531.44, y=30.70, z=-4888.25], ake['Squid'/5762689, l='MpServer', x=3509.35, y=60.00, z=-4908.40], ake['Squid'/5762688, l='MpServer', x=3505.04, y=61.05, z=-4911.85], aji['Bat'/5762231, l='MpServer', x=3434.77, y=35.76, z=-4865.17], aji['Bat'/5762230, l='MpServer', x=3430.49, y=34.89, z=-4867.50], akb['Sheep'/5761201, l='MpServer', x=3510.00, y=65.00, z=-4862.00], akb['Sheep'/5761200, l='MpServer', x=3514.19, y=67.00, z=-4851.71], aji['Bat'/5762727, l='MpServer', x=3462.15, y=57.35, z=-4942.41], akb['Sheep'/5761199, l='MpServer', x=3510.70, y=65.00, z=-4863.28], akb['Sheep'/5761198, l='MpServer', x=3511.58, y=65.00, z=-4862.64], aji['Bat'/5763932, l='MpServer', x=3538.15, y=26.00, z=-4831.53], aji['Bat'/5763930, l='MpServer', x=3484.78, y=38.64, z=-4800.50], aeu['Experience Orb'/5763400, l='MpServer', x=3411.04, y=67.00, z=-4908.91], ajw['Pig'/5761407, l='MpServer', x=3528.00, y=66.00, z=-4915.00], ajw['Pig'/5761406, l='MpServer', x=3528.00, y=66.00, z=-4916.00], csz['camron_'/4066508, l='MpServer', x=141.70, y=58.50, z=-253.54], ama['Painting'/4967587, l='MpServer', x=130.50, y=69.50, z=-238.03], ake['Squid'/5764375, l='MpServer', x=3469.28, y=54.27, z=-4937.60], ans['Zombie'/5761814, l='MpServer', x=3473.50, y=54.00, z=-4827.50], ams['Enderman'/5764383, l='MpServer', x=3475.50, y=32.00, z=-4822.50], ans['Zombie'/5763870, l='MpServer', x=3439.50, y=40.00, z=-4896.50], anj['Skeleton'/5763869, l='MpServer', x=3437.50, y=40.00, z=-4894.50], ans['Zombie'/5762822, l='MpServer', x=3511.50, y=15.00, z=-4943.50], anj['Skeleton'/5763343, l='MpServer', x=3506.50, y=21.00, z=-4839.50], anj['Skeleton'/5763342, l='MpServer', x=3503.50, y=21.00, z=-4838.50], aji['Bat'/5763893, l='MpServer', x=3525.45, y=18.05, z=-4819.25], ans['Zombie'/5764386, l='MpServer', x=3478.50, y=32.00, z=-4825.50], ans['Zombie'/5764385, l='MpServer', x=3477.50, y=32.00, z=-4827.50], ams['Enderman'/5764384, l='MpServer', x=3481.50, y=32.00, z=-4822.50], ans['Zombie'/5761837, l='MpServer', x=3476.80, y=53.00, z=-4873.50], ajw['Pig'/5759442, l='MpServer', x=3452.00, y=64.00, z=-4796.00], csz['camron_'/4066508, l='MpServer', x=141.70, y=58.50, z=-253.54], aji['Bat'/5763032, l='MpServer', x=3466.70, y=50.10, z=-4899.25], ajn['Chicken'/5759431, l='MpServer', x=3451.00, y=64.00, z=-4830.00], ajn['Chicken'/5759430, l='MpServer', x=3455.00, y=64.00, z=-4829.00], csz['camron_'/4066508, l='MpServer', x=141.70, y=58.50, z=-253.54], anj['Skeleton'/5764043, l='MpServer', x=3482.50, y=25.00, z=-4812.50], ajn['Chicken'/5759433, l='MpServer', x=3453.00, y=64.00, z=-4831.00], ajn['Chicken'/5759432, l='MpServer', x=3455.00, y=64.00, z=-4827.00], amp['Creeper'/5764071, l='MpServer', x=3436.50, y=24.00, z=-4903.50], amp['Creeper'/5763484, l='MpServer', x=3518.50, y=28.00, z=-4932.50], amp['Creeper'/5763483, l='MpServer', x=3522.50, y=28.00, z=-4933.50], ajw['Pig'/5761409, l='MpServer', x=3530.26, y=65.00, z=-4917.94], ajw['Pig'/5761408, l='MpServer', x=3524.69, y=65.00, z=-4907.48], ans['Zombie'/5764022, l='MpServer', x=3551.50, y=24.00, z=-4854.50], ajw['Pig'/5761959, l='MpServer', x=3584.30, y=63.00, z=-4922.29], anj['Skeleton'/5764014, l='MpServer', x=3495.50, y=21.00, z=-4829.50], anj['Skeleton'/5764011, l='MpServer', x=3492.50, y=21.00, z=-4827.50], anj['Skeleton'/5764010, l='MpServer', x=3492.50, y=21.00, z=-4829.50], ajw['Pig'/5761962, l='MpServer', x=3580.71, y=63.00, z=-4922.23], anj['Skeleton'/5764009, l='MpServer', x=3492.50, y=21.00, z=-4830.50], ajw['Pig'/5761961, l='MpServer', x=3583.08, y=63.00, z=-4921.84], ajw['Pig'/5761960, l='MpServer', x=3581.65, y=63.00, z=-4922.29]]
	Retry entities: 0 total; []
	Server brand: vanilla
	Server type: Non-integrated multiplayer server
Stacktrace:
	at cqv.a(SourceFile:427)
	at cfi.b(SourceFile:1811)
	at cwf.run(SourceFile:49)
	at java.lang.Thread.run(Thread.java:745)

-- System Details --
Details:
	Minecraft Version: 1.13
	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: 575336864 bytes (548 MB) / 1610612736 bytes (1536 MB) up to 3221225472 bytes (3072 MB)
	JVM Flags: 9 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xss1M -Xmx3G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=64M
	Launched Version: 1.13
	LWJGL: 3.1.6 build 14
	OpenGL: NO CONTEXT
	GL Caps: Using GL 1.3 multitexturing.
Using GL 1.3 texture combiners.
Using framebuffer objects because OpenGL 3.0 is supported and separate blending is supported.
Shaders are available because OpenGL 2.1 is supported.
VBOs are available because OpenGL 1.5 is supported.

	Using VBOs: Yes
	Is Modded: Probably not. Jar signature remains and client brand is untouched.
	Type: Client (map_client.txt)
	Resource Packs: vanilla
	Current Language: English (US)
	Profiler Position: N/A (disabled)
	CPU: 4x Intel(R) Core(TM) i5-7300HQ CPU @ 2.50GHz