World crashing when i try opening it, can someone help me?

[ERNANI MENDES DA FONSECA NETO]

when i try entering my minecraft world i get an error, i'm actually using some mods, and the world was functioning normally until yesterday when it crashed, then i couldn't ever initialize it again..

the crash report is:

"WARNING: coremods are present:
  MekanismCoremod (Mekanism-1.12.2-9.8.3.390.jar)
  TLSkinCapeHookLoader (tlskincape1.12.2-1.4.jar)
  CTMCorePlugin (CTM-MC1.12.2-1.0.2.31.jar)
  ShutdownPatcher (mcef-1.12.2-0.9-coremod.jar)
Contact their authors BEFORE contacting forge"

[ERNANI MENDES DA FONSECA NETO]

also, i found this in the crash report:

"java.lang.RuntimeException: class pokelucky.MonsterBox$TileMonsterBlock is missing a mapping! This is a bug!
    at net.minecraft.tileentity.TileEntity.func_189516_d(TileEntity.java:78)
    at net.minecraft.tileentity.TileEntity.func_189517_E_(TileEntity.java:205)
    at net.minecraft.network.play.server.SPacketChunkData.<init>(SourceFile:52)
    at net.minecraft.server.management.PlayerChunkMapEntry.func_187278_c(PlayerChunkMapEntry.java:175)
    at net.minecraft.server.management.PlayerChunkMapEntry.func_187276_a(PlayerChunkMapEntry.java:74)
    at net.minecraft.server.management.PlayerChunkMap.func_72693_b(PlayerChunkMap.java:158)
    at net.minecraft.world.WorldServer.func_72835_b(WorldServer.java:227)
    at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:756)
    at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:668)
    at net.minecraft.server.integrated.IntegratedServer.func_71217_p(IntegratedServer.java:279)
    at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:526)
    at java.lang.Thread.run(Thread.java:745)''

[RTucan]

2 hours ago, ERNANI MENDES DA FONSECA NETO said:

also, i found this in the crash report:

"java.lang.RuntimeException: class pokelucky.MonsterBox$TileMonsterBlock is missing a mapping! This is a bug!
    at net.minecraft.tileentity.TileEntity.func_189516_d(TileEntity.java:78)
    at net.minecraft.tileentity.TileEntity.func_189517_E_(TileEntity.java:205)
    at net.minecraft.network.play.server.SPacketChunkData.<init>(SourceFile:52)
    at net.minecraft.server.management.PlayerChunkMapEntry.func_187278_c(PlayerChunkMapEntry.java:175)
    at net.minecraft.server.management.PlayerChunkMapEntry.func_187276_a(PlayerChunkMapEntry.java:74)
    at net.minecraft.server.management.PlayerChunkMap.func_72693_b(PlayerChunkMap.java:158)
    at net.minecraft.world.WorldServer.func_72835_b(WorldServer.java:227)
    at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:756)
    at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:668)
    at net.minecraft.server.integrated.IntegratedServer.func_71217_p(IntegratedServer.java:279)
    at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:526)
    at java.lang.Thread.run(Thread.java:745)''

Hey Bro, stop using TLauncher, it have a Spyware

[Matyrobbrt]

User was banned due to piracy, which we don't support. Neither do we support 1.12.