Supposed location of Minecraft Log:
C:\Users\KiralyCraft\AppData\Roaming\GamsterFiles\lastLaunchLog.txt

[12:58:08] [Client thread/INFO]: Setting user: KiralyCraft
[12:58:12] [Client thread/WARN]: Skipping bad option: textBackgroundOpacity:
[12:58:12] [Client thread/INFO]: LWJGL Version: 3.2.1 build 12
[12:58:15] [Client thread/WARN]: Removed resource pack [1.11.2]+R3D+CRAFT+128x+(v0.3.1).zip from options because it is no longer compatible
[12:58:15] [Client thread/WARN]: Removed resource pack Default+Improved+PBR+1.12.zip from options because it is no longer compatible
[12:58:15] [Client thread/INFO]: Narrator library for x64 successfully loaded
[12:58:16] [Client thread/INFO]: Connecting to mc.gamster.org, 25565
[12:58:19] [Client thread/WARN]: Unknown custom packed identifier: minecraft:register
[12:58:21] [Client thread/INFO]: [CHAT] §7(§3!§7) §fTe conectezi pe §b§lLobby6§f...
[12:58:21] [Client thread/WARN]: Unknown custom packed identifier: minecraft:register
[12:58:21] [Client thread/INFO]: [CHAT] » ------------ ( Gamster.org » Lobby ) ------------ «
[12:58:21] [Client thread/INFO]: [CHAT]
[12:58:21] [Client thread/INFO]: [CHAT] Nu uita sa votezi folosind comanda /vote
[12:58:21] [Client thread/INFO]: [CHAT] Daca doresti sa donezi viziteaza web.gamster.org/shop
[12:58:21] [Client thread/INFO]: [CHAT]
[12:58:21] [Client thread/INFO]: [CHAT] Nu uita sa vizitezi forumul pentru informatii si updateuri!
[12:58:21] [Client thread/INFO]: [CHAT]
[12:58:21] [Client thread/INFO]: [CHAT] » ------------------------------------------------- «
[12:58:21] [Client thread/INFO]: [CHAT] [Gamster.org] Autenficarea automata a reusit!
[12:58:21] [Client thread/INFO]: [CHAT] (!) Te-ai logat cu succes!
[12:58:21] [Client thread/INFO]: [CHAT] | Important | Nu folositi parola de pe Gamster pe alte servere.
[12:58:21] [Client thread/INFO]: [CHAT] | Important | Nu oferiti niciunui site sau persoana datele de la contul de pe Gamster.
[12:58:26] [Client thread/FATAL]: Reported exception thrown!
m: Tesselating block in world
at dlc.a(SourceFile:71) ~[exec.jar:?]
at dne.b(SourceFile:214) ~[exec.jar:?]
at dnb.a(SourceFile:80) ~[exec.jar:?]
at dna.b(SourceFile:155) ~[exec.jar:?]
at dkm.a(SourceFile:909) ~[exec.jar:?]
at dki.b(SourceFile:830) ~[exec.jar:?]
at dki.a(SourceFile:766) ~[exec.jar:?]
at dki.a(SourceFile:630) ~[exec.jar:?]
at cvi.d(SourceFile:954) ~[exec.jar:?]
at cvi.b(SourceFile:411) [exec.jar:?]
at net.minecraft.client.main.Main.main(SourceFile:154) [exec.jar:?]
Caused by: java.lang.NullPointerException
at dle.a(SourceFile:42) ~[exec.jar:?]
at dlc.a(SourceFile:60) ~[exec.jar:?]
... 10 more
---- Minecraft Crash Report ----
// Uh... Did I do that?

Time: 4/26/19 12:58 PM
Description: Tesselating block in world

java.lang.NullPointerException: Tesselating block in world
at dle.a(SourceFile:42)
at dlc.a(SourceFile:60)
at dne.b(SourceFile:214)
at dnb.a(SourceFile:80)
at dna.b(SourceFile:155)
at dkm.a(SourceFile:909)
at dki.b(SourceFile:830)
at dki.a(SourceFile:766)
at dki.a(SourceFile:630)
at cvi.d(SourceFile:954)
at cvi.b(SourceFile:411)
at net.minecraft.client.main.Main.main(SourceFile:154)


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

-- Head --
Thread: Client thread
Stacktrace:
at dle.a(SourceFile:42)

-- Block being tesselated --
Details:
Block: Block{minecraft:brown_stained_glass_pane}[east=false,north=false,south=false,waterlogged=false,west=false]
Block location: World: (-11,81,-16), Chunk: (at 5,5,0 in -1,-1; contains blocks -16,0,-16 to -1,255,-1), Region: (-1,-1; contains chunks -32,-32 to -1,-1, blocks -512,0,-512 to -1,255,-1)
Stacktrace:
at dlc.a(SourceFile:60)
at dne.b(SourceFile:214)
at dnb.a(SourceFile:80)
at dna.b(SourceFile:155)
at dkm.a(SourceFile:909)
at dki.b(SourceFile:830)
at dki.a(SourceFile:766)

-- Affected level --
Details:
Level name: MpServer
All players: 26 total; [djv['KiralyCraft'/4607, l='MpServer', x=-1.64, y=80.00, z=-1.59], djw['PokeSoweXDDD'/4483, l='MpServer', x=-1.66, y=80.00, z=-1.59], djw['Ligia2v2'/390, l='MpServer', x=-1.66, y=80.00, z=-1.59], djw['iTzCalinPvPl'/4102, l='MpServer', x=-1.66, y=80.00, z=-1.59], djw['qzenux12'/4113, l='MpServer', x=-12.25, y=79.50, z=-5.75], djw['Her058bri23ne'/4377, l='MpServer', x=-1.66, y=80.00, z=-1.59], djw['Ramonna'/4263, l='MpServer', x=-1.66, y=80.00, z=-1.59], djw['roberta123'/4536, l='MpServer', x=-1.66, y=80.00, z=-1.59], djw['Gastp'/4570, l='MpServer', x=-5.88, y=80.00, z=-4.25], djw['Andy_YT123'/4591, l='MpServer', x=-10.50, y=79.50, z=-6.34], djw['Divad12567'/3953, l='MpServer', x=-1.66, y=80.00, z=-1.59], djw['Razvan13345'/4599, l='MpServer', x=-1.66, y=80.00, z=-1.59], djw['xmedo_YT'/3576, l='MpServer', x=-1.66, y=80.00, z=-1.59], djw['iThunderOne'/4600, l='MpServer', x=-11.78, y=79.00, z=-7.50], djw['GabyROPvP'/4602, l='MpServer', x=-1.66, y=80.00, z=-1.59], djw['logitech'/4603, l='MpServer', x=-7.81, y=81.25, z=-1.94], djw['BlazeHakumen'/4348, l='MpServer', x=-1.66, y=80.00, z=-1.59], djw['platon3456789'/4604, l='MpServer', x=-3.50, y=80.00, z=-2.34], djw['coL14005'/4477, l='MpServer', x=-1.66, y=80.00, z=-1.59], djw['Melnnn'/4605, l='MpServer', x=-6.97, y=80.00, z=-3.38], djw['dariusucuRevenge'/4606, l='MpServer', x=-1.66, y=80.00, z=-1.59], djw['§l'/57, l='MpServer', x=0.94, y=80.00, z=-4.00], djw['§l'/53, l='MpServer', x=1.31, y=80.00, z=1.03], djw['§l'/55, l='MpServer', x=-4.09, y=80.00, z=1.31], djw['§b'/51, l='MpServer', x=-28.97, y=77.00, z=-7.09], djw['caine'/4608, l='MpServer', x=-1.66, y=80.00, z=-1.59]]
Chunk stats: MultiplayerChunkCache: 18225, 225
Level seed: 0
Level generator: ID 00 - default, ver 1. Features enabled: false
Level generator options: {}
Level spawn location: World: (-2,80,-2), Chunk: (at 14,5,14 in -1,-1; contains blocks -16,0,-16 to -1,255,-1), Region: (-1,-1; contains chunks -32,-32 to -1,-1, blocks -512,0,-512 to -1,255,-1)
Level time: 95401502 game time, 1206000 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: adventure (ID 2). Hardcore: false. Cheats: false
Server brand: BungeeCord (git:BungeeCord-Bootstrap:1.14-SNAPSHOT:191afb6:1407) <- PaperSpigot
Server type: Non-integrated multiplayer server
Stacktrace:
at dhl.a(SourceFile:421)
at cvi.b(SourceFile:1920)
at cvi.b(SourceFile:426)
at net.minecraft.client.main.Main.main(SourceFile:154)