Causes crash when you try to place a torch on the bottom side of a block.
Please just add an if statement(if (facing==EnumFacing.DOWN) [cancel script])

---- Minecraft Crash Report ----
// I bet Cylons wouldn't have this problem.

Time: 4/15/17 11:17 AM
Description: Unexpected error

java.lang.IllegalArgumentException: Cannot set property avz

{name=facing, clazz=class ei, values=[up, north, south, west, east]}

to down on block minecraft:torch, it is not an allowed value
at avn$a.a(SourceFile:184)
at atj.a(SourceFile:129)
at afx.a(SourceFile:45)
at ahl.a(SourceFile:178)
at bqt.a(SourceFile:351)
at bgu.ay(SourceFile:1453)
at bgu.aB(SourceFile:1961)
at bgu.aA(SourceFile:1772)
at bgu.t(SourceFile:1616)
at bgu.aw(SourceFile:959)
at bgu.a(SourceFile:399)
at net.minecraft.client.main.Main.main(SourceFile:123)

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

– Head –
Thread: Client thread
Stacktrace:
at avn$a.a(SourceFile:184)
at atj.a(SourceFile:129)
at afx.a(SourceFile:45)
at ahl.a(SourceFile:178)
at bqt.a(SourceFile:351)
at bgu.ay(SourceFile:1453)
at bgu.aB(SourceFile:1961)
at bgu.aA(SourceFile:1772)

– Affected level –
Details:
Level name: MpServer
All players: 1 total; [bsw['GiantNuker'/313, l='MpServer', x=-142.61, y=23.20, z=131.44]]
Chunk stats: MultiplayerChunkCache: 169, 169
Level seed: 0
Level generator: ID 04 - customized, ver 0. Features enabled: false
Level generator options:
Level spawn location: World: (-127,35,232), Chunk: (at 1,2,8 in -8,14; contains blocks -128,0,224 to -113,255,239), Region: (-1,0; contains chunks -32,0 to -1,31, blocks -512,0,0 to -1,255,511)
Level time: 125433 game time, 45657 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: 75 total; [abl['item.item.egg'/219778, l='MpServer', x=-116.20, y=64.00, z=153.37], zm['Wolf'/130, l='MpServer', x=-122.78, y=65.00, z=99.50], yx['Cow'/133, l='MpServer', x=-117.85, y=64.00, z=174.19], bsx['PistoneNutter'/5249, l='MpServer', x=-49.76, y=59.00, z=132.78], yx['Cow'/135, l='MpServer', x=-122.50, y=65.00, z=163.83], yx['Cow'/136, l='MpServer', x=-121.18, y=64.00, z=190.49], yx['Cow'/137, l='MpServer', x=-120.71, y=64.00, z=194.18], yw['Chicken'/138, l='MpServer', x=-119.76, y=64.00, z=202.15], bsx['PistoneNutter'/5249, l='MpServer', x=-48.30, y=61.00, z=139.30], zc['Parrot'/153, l='MpServer', x=-101.07, y=76.00, z=140.77], yx['Cow'/154, l='MpServer', x=-96.77, y=64.00, z=174.49], yw['Chicken'/155, l='MpServer', x=-115.35, y=64.00, z=152.85], yx['Cow'/156, l='MpServer', x=-106.50, y=64.00, z=162.31], yx['Cow'/157, l='MpServer', x=-106.81, y=64.00, z=211.13], yx['Cow'/158, l='MpServer', x=-98.79, y=64.00, z=196.45], yx['Cow'/159, l='MpServer', x=-99.62, y=64.00, z=199.20], yx['Cow'/160, l='MpServer', x=-111.13, y=64.00, z=208.95], yx['Cow'/161, l='MpServer', x=-110.49, y=64.00, z=210.30], yx['Cow'/162, l='MpServer', x=-110.18, y=64.00, z=209.38], yx['Cow'/170, l='MpServer', x=-93.53, y=64.00, z=185.21], yx['Cow'/171, l='MpServer', x=-93.62, y=64.00, z=197.62], yx['Cow'/172, l='MpServer', x=-95.65, y=64.00, z=198.86], zm['Wolf'/44, l='MpServer', x=-213.64, y=66.00, z=214.49], yx['Cow'/173, l='MpServer', x=-93.57, y=64.00, z=196.62], yx['Cow'/174, l='MpServer', x=-92.45, y=64.00, z=196.49], yx['Cow'/175, l='MpServer', x=-84.86, y=65.00, z=195.76], yx['Cow'/176, l='MpServer', x=-87.17, y=65.00, z=195.74], yx['Cow'/177, l='MpServer', x=-92.57, y=64.00, z=197.47], yx['Cow'/178, l='MpServer', x=-99.25, y=64.00, z=190.82], zm['Wolf'/50, l='MpServer', x=-193.72, y=61.00, z=109.59], zm['Wolf'/51, l='MpServer', x=-196.44, y=63.00, z=102.51], yx['Cow'/179, l='MpServer', x=-82.15, y=66.00, z=198.38], yx['Cow'/180, l='MpServer', x=-84.18, y=66.00, z=198.74], zf['Rabbit'/52, l='MpServer', x=-198.00, y=73.00, z=214.51], yx['Cow'/181, l='MpServer', x=-81.11, y=66.00, z=199.43], yx['Cow'/182, l='MpServer', x=-95.71, y=64.00, z=197.82], yx['Cow'/183, l='MpServer', x=-79.85, y=65.00, z=191.55], zm['Wolf'/56, l='MpServer', x=-178.82, y=58.00, z=102.31], zm['Wolf'/57, l='MpServer', x=-180.29, y=67.00, z=117.50], zm['Wolf'/58, l='MpServer', x=-183.50, y=70.00, z=146.45], yx['Cow'/186, l='MpServer', x=-77.84, y=67.00, z=201.24], zm['Wolf'/59, l='MpServer', x=-179.54, y=65.00, z=146.74], yw['Chicken'/60, l='MpServer', x=-178.16, y=75.00, z=207.21], yt['Bat'/220223, l='MpServer', x=-90.50, y=18.89, z=169.62], yw['Chicken'/61, l='MpServer', x=-188.22, y=76.00, z=198.51], bsw['GiantNuker'/313, l='MpServer', x=-142.61, y=23.20, z=131.44], zm['Wolf'/76, l='MpServer', x=-172.81, y=61.00, z=81.50], zm['Wolf'/77, l='MpServer', x=-153.51, y=69.00, z=89.50], zm['Wolf'/78, l='MpServer', x=-166.27, y=64.00, z=126.49], zm['Wolf'/79, l='MpServer', x=-169.44, y=64.00, z=121.53], zm['Wolf'/80, l='MpServer', x=-169.36, y=64.00, z=155.50], zm['Wolf'/81, l='MpServer', x=-165.53, y=64.00, z=160.43], zm['Wolf'/82, l='MpServer', x=-173.60, y=64.00, z=171.56], zm['Wolf'/83, l='MpServer', x=-168.50, y=72.00, z=183.28], zm['Wolf'/84, l='MpServer', x=-168.28, y=69.00, z=180.57], yw['Chicken'/85, l='MpServer', x=-174.18, y=75.00, z=204.49], zm['Wolf'/91, l='MpServer', x=-152.88, y=71.00, z=83.46], zm['Wolf'/92, l='MpServer', x=-156.65, y=73.00, z=97.38], zm['Wolf'/93, l='MpServer', x=-151.47, y=69.00, z=98.57], zm['Wolf'/94, l='MpServer', x=-150.49, y=66.00, z=124.35], yx['Cow'/95, l='MpServer', x=-148.69, y=64.00, z=179.19], zm['Wolf'/96, l='MpServer', x=-151.33, y=64.00, z=164.48], yx['Cow'/97, l='MpServer', x=-139.87, y=64.00, z=185.84], yw['Chicken'/100, l='MpServer', x=-146.51, y=66.00, z=208.42], zm['Wolf'/114, l='MpServer', x=-129.68, y=67.00, z=84.65], zm['Wolf'/115, l='MpServer', x=-158.51, y=72.00, z=91.60], zc['Parrot'/116, l='MpServer', x=-137.40, y=73.00, z=96.47], zm['Wolf'/117, l='MpServer', x=-129.57, y=67.00, z=132.49], yx['Cow'/118, l='MpServer', x=-128.68, y=64.00, z=151.80], yx['Cow'/119, l='MpServer', x=-133.15, y=64.00, z=179.53], yx['Cow'/120, l='MpServer', x=-124.82, y=66.00, z=207.14], yt['Bat'/220025, l='MpServer', x=-63.75, y=26.98, z=205.39], yt['Bat'/220024, l='MpServer', x=-65.64, y=27.14, z=206.16], yt['Bat'/220028, l='MpServer', x=-89.05, y=14.10, z=207.13], abl['item.item.egg'/176253, l='MpServer', x=-189.12, y=76.00, z=198.46]]
Retry entities: 0 total; []
Server brand: vanilla
Server type: Integrated singleplayer server
Stacktrace:
at bqu.a(SourceFile:365)
at bgu.b(SourceFile:2529)
at bgu.a(SourceFile:413)
at net.minecraft.client.main.Main.main(SourceFile:123)

– System Details –
Details:
Minecraft Version: 17w15a
Operating System: Windows 10 (amd64) version 10.0
Java Version: 1.8.0_25, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 106792552 bytes (101 MB) / 341258240 bytes (325 MB) up to 1060372480 bytes (1011 MB)
JVM Flags: 6 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx1G -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:-UseAdaptiveSizePolicy -Xmn128M
IntCache: cache: 0, tcache: 0, allocated: 13, tallocated: 95
Launched Version: 17w15a
LWJGL: 2.9.4
OpenGL: AMD Radeon(TM) R5 Graphics GL version 4.5.13399 Compatibility Profile Context 15.201.1101.0, 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