Put the summary of the bug you're having here

What I expected to happen was...:
I expected to be able to add coal to the furnace

What actually happened was...:
The Game crashed.

Steps to Reproduce:
1. Place coal in a furnace.
2. Game crashes with below report.

---- Minecraft Crash Report ----
// Ouch. That hurt

Time: 9/28/16 11:52 AM
Description: Updating screen events

java.lang.NullPointerException: Updating screen events
at asg.b(SourceFile:316)
at asg.c(SourceFile:372)
at acr.a(SourceFile:15)
at bhz.a(SourceFile:387)
at bhh.k(SourceFile:412)
at bhh.p(SourceFile:380)
at bel.t(SourceFile:1583)
at bel.av(SourceFile:967)
at bel.a(SourceFile:395)
at net.minecraft.client.main.Main.main(SourceFile:124)

A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------

– Head –
Thread: Client thread
Stacktrace:
at asg.b(SourceFile:316)
at asg.c(SourceFile:372)
at acr.a(SourceFile:15)
at bhz.a(SourceFile:387)
at bhh.k(SourceFile:412)
at bhh.p(SourceFile:380)

– Affected screen –
Details:
Screen name: bin

– Affected level –
Details:
Level name: MpServer
All players: 1 total; [bpl['JMiahMan'/399, l='MpServer', x=-400.54, y=66.00, z=147.43]]
Chunk stats: MultiplayerChunkCache: 441, 441
Level seed: 0
Level generator: ID 00 - default, ver 1. Features enabled: false
Level generator options:
Level spawn location: World: (-236,64,240), Chunk: (at 4,4,0 in -15,15; contains blocks -240,0,240 to -225,255,255), Region: (-1,0; contains chunks -32,0 to -1,31, blocks -512,0,0 to -1,255,511)
Level time: 34792 game time, 34792 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: 131 total; [aaj['Zombie'/0, l='MpServer', x=-427.51, y=55.00, z=125.19], wo['Bat'/1, l='MpServer', x=-425.75, y=56.00, z=125.75], aaj['Zombie'/2, l='MpServer', x=-424.50, y=52.00, z=133.81], wo['Bat'/3, l='MpServer', x=-429.49, y=27.25, z=203.11], wy['Rabbit'/515, l='MpServer', x=-441.60, y=70.00, z=70.24], wy['Rabbit'/516, l='MpServer', x=-434.32, y=72.00, z=165.16], ww['Pig'/4, l='MpServer', x=-426.50, y=63.00, z=220.50], zk['Creeper'/517, l='MpServer', x=-432.50, y=24.00, z=190.50], ww['Pig'/5, l='MpServer', x=-427.94, y=64.00, z=220.44], aaj['Zombie'/518, l='MpServer', x=-433.51, y=11.51, z=194.40], ww['Pig'/6, l='MpServer', x=-431.25, y=67.00, z=219.50], aad['Spider'/519, l='MpServer', x=-437.50, y=12.00, z=199.50], ww['Pig'/7, l='MpServer', x=-418.75, y=65.00, z=215.50], aaj['Zombie'/520, l='MpServer', x=-435.46, y=23.00, z=193.25], zm['Enderman'/9, l='MpServer', x=-410.50, y=11.00, z=116.50], aab['Skeleton'/521, l='MpServer', x=-441.50, y=22.00, z=194.50], wy['Rabbit'/10, l='MpServer', x=-406.28, y=72.00, z=131.64], aab['Skeleton'/522, l='MpServer', x=-439.50, y=22.00, z=193.50], aaj['Zombie'/11, l='MpServer', x=-412.50, y=20.00, z=148.82], ww['Pig'/523, l='MpServer', x=-447.50, y=72.00, z=202.50], aaj['Zombie'/12, l='MpServer', x=-414.20, y=48.00, z=144.38], ww['Pig'/524, l='MpServer', x=-446.50, y=72.00, z=202.50], zk['Creeper'/13, l='MpServer', x=-402.50, y=24.00, z=167.50], wz['Sheep'/525, l='MpServer', x=-446.77, y=72.00, z=196.84], zk['Creeper'/14, l='MpServer', x=-400.50, y=17.00, z=171.50], wz['Sheep'/526, l='MpServer', x=-445.79, y=72.00, z=197.74], wy['Rabbit'/15, l='MpServer', x=-411.62, y=71.00, z=182.67], ww['Pig'/527, l='MpServer', x=-445.36, y=72.00, z=202.74], wo['Bat'/16, l='MpServer', x=-404.57, y=31.06, z=196.51], ww['Pig'/528, l='MpServer', x=-443.50, y=72.00, z=212.50], ww['Pig'/529, l='MpServer', x=-444.48, y=72.00, z=220.24], ww['Pig'/530, l='MpServer', x=-445.50, y=72.00, z=208.10], wo['Bat'/25, l='MpServer', x=-393.25, y=43.10, z=154.75], wo['Bat'/26, l='MpServer', x=-398.59, y=39.10, z=149.52], wo['Bat'/27, l='MpServer', x=-398.56, y=39.10, z=148.57], ze['item.tile.stonebrick'/28, l='MpServer', x=-399.15, y=60.00, z=149.88], aad['Spider'/29, l='MpServer', x=-401.21, y=17.00, z=173.37], zk['Creeper'/30, l='MpServer', x=-401.09, y=17.00, z=172.29], zk['Creeper'/31, l='MpServer', x=-397.50, y=78.00, z=162.50], aab['Skeleton'/32, l='MpServer', x=-396.69, y=72.00, z=163.49], zk['Creeper'/33, l='MpServer', x=-385.50, y=38.00, z=196.50], wy['Rabbit'/36, l='MpServer', x=-382.92, y=72.00, z=109.68], wy['Rabbit'/37, l='MpServer', x=-380.45, y=72.00, z=111.34], aab['Skeleton'/38, l='MpServer', x=-370.50, y=15.00, z=136.50], zk['Creeper'/39, l='MpServer', x=-374.50, y=18.00, z=161.50], aab['Skeleton'/40, l='MpServer', x=-381.51, y=34.00, z=168.11], wy['Rabbit'/52, l='MpServer', x=-357.40, y=68.00, z=78.94], aak['Zombie Villager'/53, l='MpServer', x=-358.47, y=14.00, z=126.43], xb['Squid'/54, l='MpServer', x=-360.39, y=61.04, z=114.30], xb['Squid'/55, l='MpServer', x=-356.72, y=61.00, z=122.29], xb['Squid'/56, l='MpServer', x=-357.40, y=62.53, z=117.78], wo['Bat'/57, l='MpServer', x=-360.51, y=25.10, z=141.38], wy['Rabbit'/58, l='MpServer', x=-366.24, y=66.00, z=138.54], aab['Skeleton'/59, l='MpServer', x=-355.30, y=21.00, z=156.77], wy['Rabbit'/60, l='MpServer', x=-362.40, y=63.00, z=155.61], wy['Rabbit'/61, l='MpServer', x=-362.62, y=64.19, z=146.22], aab['Skeleton'/62, l='MpServer', x=-359.50, y=28.00, z=172.96], aab['Skeleton'/63, l='MpServer', x=-354.50, y=30.00, z=160.50], zk['Creeper'/64, l='MpServer', x=-366.50, y=22.00, z=160.50], zk['Creeper'/65, l='MpServer', x=-364.30, y=34.00, z=174.31], aak['Zombie Villager'/66, l='MpServer', x=-362.50, y=35.00, z=166.50], aab['Skeleton'/67, l='MpServer', x=-357.60, y=42.00, z=190.21], aab['Skeleton'/68, l='MpServer', x=-358.58, y=42.95, z=193.82], aab['Skeleton'/69, l='MpServer', x=-356.50, y=42.00, z=187.50], aab['Skeleton'/70, l='MpServer', x=-357.81, y=42.00, z=193.70], zk['Creeper'/71, l='MpServer', x=-357.50, y=50.00, z=206.50], wr['Chicken'/72, l='MpServer', x=-367.50, y=67.00, z=212.50], wr['Chicken'/73, l='MpServer', x=-366.31, y=66.00, z=209.76], wr['Chicken'/74, l='MpServer', x=-365.44, y=66.00, z=203.96], wr['Chicken'/75, l='MpServer', x=-360.01, y=64.00, z=216.45], zk['Creeper'/98, l='MpServer', x=-349.73, y=22.92, z=131.47], zk['Creeper'/99, l='MpServer', x=-344.89, y=28.00, z=115.46], wo['Bat'/100, l='MpServer', x=-353.81, y=23.30, z=120.49], zk['Creeper'/101, l='MpServer', x=-347.50, y=22.00, z=128.50], wr['Chicken'/102, l='MpServer', x=-338.35, y=69.00, z=151.50], wr['Chicken'/103, l='MpServer', x=-344.76, y=64.00, z=146.59], wr['Chicken'/104, l='MpServer', x=-339.51, y=69.00, z=159.68], ze['item.item.egg'/105, l='MpServer', x=-340.70, y=68.00, z=158.43], ze['item.item.egg'/106, l='MpServer', x=-337.43, y=69.00, z=151.88], zk['Creeper'/107, l='MpServer', x=-349.50, y=49.00, z=203.21], zk['Creeper'/108, l='MpServer', x=-349.50, y=48.00, z=199.50], wr['Chicken'/116, l='MpServer', x=-332.83, y=69.00, z=138.61], wo['Bat'/117, l='MpServer', x=-327.73, y=17.10, z=169.50], aab['Skeleton'/118, l='MpServer', x=-335.50, y=59.00, z=180.50], ze['item.item.egg'/656, l='MpServer', x=-345.48, y=64.00, z=146.59], bpl['JMiahMan'/399, l='MpServer', x=-400.54, y=66.00, z=147.43], zk['Creeper'/458, l='MpServer', x=-468.50, y=33.00, z=77.50], aab['Skeleton'/459, l='MpServer', x=-472.50, y=37.00, z=77.50], aab['Skeleton'/460, l='MpServer', x=-473.50, y=37.00, z=68.50], aab['Skeleton'/461, l='MpServer', x=-475.70, y=37.00, z=78.30], wo['Bat'/462, l='MpServer', x=-478.47, y=37.03, z=66.88], wy['Rabbit'/463, l='MpServer', x=-479.11, y=71.00, z=70.80], aab['Skeleton'/464, l='MpServer', x=-475.32, y=30.00, z=88.53], aab['Skeleton'/465, l='MpServer', x=-475.50, y=29.00, z=90.50], abu['Minecart with Chest'/466, l='MpServer', x=-464.50, y=38.06, z=90.50], aad['Spider'/467, l='MpServer', x=-473.50, y=42.00, z=105.50], ww['Pig'/468, l='MpServer', x=-464.50, y=90.00, z=143.50], ww['Pig'/469, l='MpServer', x=-476.25, y=93.00, z=139.50], zm['Enderman'/470, l='MpServer', x=-476.50, y=50.00, z=145.50], zm['Enderman'/471, l='MpServer', x=-478.50, y=49.00, z=146.50], aab['Skeleton'/472, l='MpServer', x=-478.50, y=49.00, z=146.50], xk['Llama'/473, l='MpServer', x=-468.58, y=94.00, z=147.09], xk['Llama'/474, l='MpServer', x=-471.11, y=95.00, z=147.11], xk['Llama'/475, l='MpServer', x=-474.85, y=94.00, z=146.03], xk['Llama'/476, l='MpServer', x=-471.00, y=93.00, z=150.99], ww['Pig'/477, l='MpServer', x=-469.33, y=90.00, z=152.50], ww['Pig'/478, l='MpServer', x=-464.50, y=91.00, z=145.50], wo['Bat'/479, l='MpServer', x=-465.11, y=58.85, z=189.86], aaj['Zombie'/480, l='MpServer', x=-466.49, y=58.00, z=203.38], aab['Skeleton'/481, l='MpServer', x=-467.50, y=58.00, z=195.50], wo['Bat'/482, l='MpServer', x=-466.34, y=58.45, z=200.18], wo['Bat'/483, l='MpServer', x=-462.25, y=60.11, z=188.85], zm['Enderman'/484, l='MpServer', x=-465.50, y=12.00, z=208.64], aad['Spider'/485, l='MpServer', x=-475.50, y=56.00, z=216.50], wy['Rabbit'/489, l='MpServer', x=-458.64, y=71.00, z=79.21], wy['Rabbit'/490, l='MpServer', x=-462.70, y=71.00, z=72.30], aaj['Zombie'/491, l='MpServer', x=-456.50, y=17.00, z=166.50], zk['Creeper'/492, l='MpServer', x=-453.50, y=48.00, z=170.50], zk['Creeper'/493, l='MpServer', x=-454.50, y=48.00, z=173.50], aaj['Zombie'/494, l='MpServer', x=-457.35, y=14.00, z=207.50], aaj['Zombie'/495, l='MpServer', x=-451.50, y=20.00, z=197.50], aaj['Zombie'/496, l='MpServer', x=-453.26, y=22.00, z=203.44], ww['Pig'/497, l='MpServer', x=-448.50, y=72.00, z=201.50], wz['Sheep'/498, l='MpServer', x=-449.50, y=72.00, z=199.50], wz['Sheep'/499, l='MpServer', x=-450.50, y=72.00, z=197.50], ww['Pig'/500, l='MpServer', x=-458.50, y=72.00, z=202.50], ww['Pig'/501, l='MpServer', x=-458.50, y=72.00, z=206.50], ww['Pig'/502, l='MpServer', x=-459.15, y=72.00, z=196.66], ww['Pig'/503, l='MpServer', x=-454.33, y=72.00, z=203.55], aaj['Zombie'/504, l='MpServer', x=-456.48, y=14.00, z=203.70], ww['Pig'/505, l='MpServer', x=-460.94, y=72.00, z=209.85]]
Retry entities: 0 total; []
Server brand: vanilla
Server type: Integrated singleplayer server
Stacktrace:
at bnj.a(SourceFile:365)
at bel.b(SourceFile:2536)
at bel.a(SourceFile:404)
at net.minecraft.client.main.Main.main(SourceFile:124)

– System Details –
Details:
Minecraft Version: 16w39a
Operating System: Windows 10 (x86) version 10.0
Java Version: 1.8.0_91, Oracle Corporation
Java VM Version: Java HotSpot(TM) Client VM (mixed mode), Oracle Corporation
Memory: 146631784 bytes (139 MB) / 337846272 bytes (322 MB) up to 523501568 bytes (499 MB)
JVM Flags: 6 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx512M -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:-UseAdaptiveSizePolicy -Xmn128M
IntCache: cache: 0, tcache: 0, allocated: 13, tallocated: 95
Launched Version: 16w39a
LWJGL: 2.9.4
OpenGL: AMD Radeon(TM) R5 Graphics GL version 4.5.13401 Compatibility Profile Context 15.201.1301.0, ATI Technologies Inc.
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:
Current Language: English (US)
Profiler Position: N/A (disabled)
CPU: 4x AMD A8-6410 APU with AMD Radeon R5 Graphics