[CRASH] Null pointer on invalid/unknown world handler *TEXT WALL*

[AlienXtream]

Description: Ticking block entity

java.lang.NullPointerException: Ticking block entity at io.darkcraft.darkcore.mod.helpers.WorldHelper.getWorldID(WorldHelper.java:79) at io.darkcraft.darkcore.mod.datastore.SimpleCoordStore.(SimpleCoordStore.java:42) at tardis.common.tileents.CoreTileEntity.placeBox(CoreTileEntity.java:932) at tardis.common.tileents.CoreTileEntity.nextFlightState(CoreTileEntity.java:247) at tardis.common.tileents.CoreTileEntity.flightTick(CoreTileEntity.java:301) at tardis.common.tileents.CoreTileEntity.func_145845_h(CoreTileEntity.java:399) at net.minecraft.world.World.func_72939_s(World.java:1939) at net.minecraft.world.WorldServer.func_72939_s(WorldServer.java:489) at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:636) at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:547) at net.minecraft.server.integrated.IntegratedServer.func_71217_p(IntegratedServer.java:111) at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:427) at net.minecraft.server.MinecraftServer$2.run(MinecraftServer.java:685)

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

-- Head -- Stacktrace: at io.darkcraft.darkcore.mod.helpers.WorldHelper.getWorldID(WorldHelper.java:79) at io.darkcraft.darkcore.mod.datastore.SimpleCoordStore.(SimpleCoordStore.java:42) at tardis.common.tileents.CoreTileEntity.placeBox(CoreTileEntity.java:932) at tardis.common.tileents.CoreTileEntity.nextFlightState(CoreTileEntity.java:247) at tardis.common.tileents.CoreTileEntity.flightTick(CoreTileEntity.java:301) at tardis.common.tileents.CoreTileEntity.func_145845_h(CoreTileEntity.java:399)

-- Block entity being ticked -- Details: Name: tile.TardisMod.TardisCore // tardis.common.tileents.CoreTileEntity Block type: ID #3587 (tile.TardisMod.TardisCore // tardis.common.blocks.CoreBlock) Block data value: 0 / 0x0 / 0b0000 Block location: World: (0,70,0), Chunk: (at 0,4,0 in 0,0; contains blocks 0,0,0 to 15,255,15), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511) Actual block type: ID #3587 (tile.TardisMod.TardisCore // tardis.common.blocks.CoreBlock) Actual block data value: 0 / 0x0 / 0b0000 Stacktrace: at net.minecraft.world.World.func_72939_s(World.java:1939) at net.minecraft.world.WorldServer.func_72939_s(WorldServer.java:489)

-- Affected level -- Details: Level name: Alien's World All players: 1 total; [GCEntityPlayerMP['AlienXtream'/3029, l='Alien's World', x=-1.42, y=68.00, z=0.04]] Chunk stats: ServerChunkCache: 709 Drop: 0 Level seed: 5048538520515793538 Level generator: ID 00 - default, ver 1. Features enabled: false Level generator options: Level spawn location: World: (0,0,0), Chunk: (at 0,0,0 in 0,0; contains blocks 0,0,0 to 15,255,15), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511) Level time: 0 game time, 0 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: ~~ERROR~~ NullPointerException: null Stacktrace: at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:636) at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:547) at net.minecraft.server.integrated.IntegratedServer.func_71217_p(IntegratedServer.java:111) at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:427) at net.minecraft.server.MinecraftServer$2.run(MinecraftServer.java:685)

[AlienXtream]

perhaps have a way to catch invalid world handlers and trigger a "failed to launch" with a sound similar to the Dr who episode "curse of the black spot" where the tardis couldnt find a valid plane. idk if that sorta thing is even possible to detect before it crashes though