MC Crash Report

---- Minecraft Crash Report ----
// Surprise! Haha. Well, this is awkward.

Time: 03/07/19 17:35
Description: Ticking screen

java.lang.NullPointerException: Ticking screen
	at jb.l(SourceFile:401)
	at cza.tick(SourceFile:100)
	at cvo.aP(SourceFile:1402)
	at czx.wrapScreenError(SourceFile:441)
	at cvo.m(SourceFile:1402)
	at cvo.e(SourceFile:925)
	at cvo.b(SourceFile:411)
	at net.minecraft.client.main.Main.main(SourceFile:154)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
	at java.lang.reflect.Method.invoke(Unknown Source)
	at org.multimc.onesix.OneSixLauncher.launchWithMainClass(OneSixLauncher.java:196)
	at org.multimc.onesix.OneSixLauncher.launch(OneSixLauncher.java:231)
	at org.multimc.EntryPoint.listen(EntryPoint.java:143)
	at org.multimc.EntryPoint.main(EntryPoint.java:34)


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

-- Head --
Thread: Client thread
Stacktrace:
	at jb.l(SourceFile:401)
	at cza.tick(SourceFile:100)
	at cvo.aP(SourceFile:1402)

-- Affected screen --
Details:
	Screen name: cza
Stacktrace:
	at czx.wrapScreenError(SourceFile:441)
	at cvo.m(SourceFile:1402)
	at cvo.e(SourceFile:925)
	at cvo.b(SourceFile:411)
	at net.minecraft.client.main.Main.main(SourceFile:154)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
	at java.lang.reflect.Method.invoke(Unknown Source)
	at org.multimc.onesix.OneSixLauncher.launchWithMainClass(OneSixLauncher.java:196)
	at org.multimc.onesix.OneSixLauncher.launch(OneSixLauncher.java:231)
	at org.multimc.EntryPoint.listen(EntryPoint.java:143)
	at org.multimc.EntryPoint.main(EntryPoint.java:34)

-- System Details --
Details:
	Minecraft Version: 1.14.3
	Operating System: Windows 8.1 (amd64) version 6.3
	Java Version: 1.8.0_211, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 288603672 bytes (275 MB) / 780664832 bytes (744 MB) up to 954728448 bytes (910 MB)
	JVM Flags: 3 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xms512m -Xmx1024m
	World Downloader - Fatal error in crash handler (see log): ~~ERROR~~ VerifyError: Bad type on operand stack
Exception Details:
  Location:
    wdl/WDLHooks.onNHPCHandleCustomPayload0(Ldhk;Llc;)V @26: invokevirtual
  Reason:
    Type 'jc' (current frame, stack[0]) is not assignable to 'io/netty/buffer/ByteBuf'
  Current Frame:
    bci: @26
    flags: { }
    locals: { 'wdl/WDLHooks', 'dhk', 'lc', 'java/lang/String', 'jc' }
    stack: { 'jc' }
  Bytecode:
    0x0000000: b800 dbb6 00de 9a00 04b1 2cb6 014e b601
    0x0000010: 514e 2cb6 0154 3a04 1904 b601 5936 0515
    0x0000020: 059d 0004 b119 04b6 015d 5719 0403 b601
    0x0000030: 6157 1904 b601 64bc 083a 0619 0419 06b6
    0x0000040: 0168 5719 04b6 016b 572b 2d19 06b8 016f
    0x0000050: 1301 71b8 0065 b900 6b01 003a 0719 07b9
    0x0000060: 0076 0100 9900 2919 07b9 007a 0100 c000
    0x0000070: 0d3a 0819 08b4 007e c001 712a b400 2cb4
    0x0000080: 003b 2d19 06b9 0176 0400 a7ff d3a7 000b
    0x0000090: 4e2d 1301 7ab8 00b2 b1
  Exception Handler Table:
    bci [0, 9] => handler: 144
    bci [10, 36] => handler: 144
    bci [37, 141] => handler: 144
  Stackmap Table:
    same_frame(@10)
    append_frame(@37,Object[#267],Object[#342],Integer)
    append_frame(@93,Object[#371],Object[#115])
    full_frame(@141,{Object[#2],Object[#376],Object[#331]},{})
    same_locals_1_stack_item_frame(@144,Object[#56])
    same_frame(@152)

	Launched Version: MultiMC5
	LWJGL: 3.2.2 build 10
	OpenGL: Intel(R) HD Graphics 2500 GL version 4.0.0 - Build 10.18.10.4276, Intel
	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: Definitely; Client brand changed to 'WorldDownloader-4.0.5.0'
	Type: Client (map_client.txt)
	Resource Packs:
	Current Language: English (US)
	CPU: 4x Intel(R) Core(TM) i5-3330 CPU @ 3.00GHz
#@!@# Game crashed! Crash report saved to: #@!@# C:\Users\user\Downloads\Minecraft World Downloader 1.13.2\MultiMC\instances\1.14.3_WDL\.minecraft\crash-reports\crash-2019-07-03_17.35.45-client.txt
AL lib: (EE) alc_cleanup: 1 device not closed
Process exited with code -1.