Here is a log I found while testing mod setting stability.
---- Minecraft Crash Report ----
WARNING: coremods are present:
ObfuscatePlugin (Obfuscate-Mod-1.12.2.jar)
Contact their authors BEFORE contacting forge
// This doesn't make any sense!
Time: 7/30/20 4:33 PM
Description: There was a severe problem during mod loading that has caused the game to fail
net.minecraftforge.fml.common.LoaderExceptionModCrash: Caught exception from The Dalek Mod (thedalekmod)
Caused by: java.lang.IllegalArgumentException: Failed to register dimension for id 2, One is already registered
at net.minecraftforge.common.DimensionManager.registerDimension(DimensionManager.java:134)
at com.swdteam.common.init.DMDimensions.init(DMDimensions.java:71)
at com.swdteam.main.CommonProxy.init(CommonProxy.java:37)
at com.swdteam.main.ClientProxy.init(ClientProxy.java:162)
at com.swdteam.main.TheDalekMod.init(TheDalekMod.java:96)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:497)
at net.minecraftforge.fml.common.FMLModContainer.handleModStateEvent(FMLModContainer.java:637)
at sun.reflect.GeneratedMethodAccessor8.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:497)
at com.google.common.eventbus.Subscriber.invokeSubscriberMethod(Subscriber.java:91)
at com.google.common.eventbus.Subscriber$SynchronizedSubscriber.invokeSubscriberMethod(Subscriber.java:150)
at com.google.common.eventbus.Subscriber$1.run(Subscriber.java:76)
at com.google.common.util.concurrent.MoreExecutors$DirectExecutor.execute(MoreExecutors.java:399)
at com.google.common.eventbus.Subscriber.dispatchEvent(Subscriber.java:71)
at com.google.common.eventbus.Dispatcher$PerThreadQueuedDispatcher.dispatch(Dispatcher.java:116)
at com.google.common.eventbus.EventBus.post(EventBus.java:217)
at net.minecraftforge.fml.common.LoadController.sendEventToModContainer(LoadController.java:219)
at net.minecraftforge.fml.common.LoadController.propogateStateMessage(LoadController.java:197)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:497)
at com.google.common.eventbus.Subscriber.invokeSubscriberMethod(Subscriber.java:91)
at com.google.common.eventbus.Subscriber$SynchronizedSubscriber.invokeSubscriberMethod(Subscriber.java:150)
at com.google.common.eventbus.Subscriber$1.run(Subscriber.java:76)
at com.google.common.util.concurrent.MoreExecutors$DirectExecutor.execute(MoreExecutors.java:399)
at com.google.common.eventbus.Subscriber.dispatchEvent(Subscriber.java:71)
at com.google.common.eventbus.Dispatcher$PerThreadQueuedDispatcher.dispatch(Dispatcher.java:116)
at com.google.common.eventbus.EventBus.post(EventBus.java:217)
at net.minecraftforge.fml.common.LoadController.distributeStateMessage(LoadController.java:136)
at net.minecraftforge.fml.common.Loader.initializeMods(Loader.java:749)
at net.minecraftforge.fml.client.FMLClientHandler.finishMinecraftLoading(FMLClientHandler.java:336)
at net.minecraft.client.Minecraft.func_71384_a(Minecraft.java:535)
at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:378)
at net.minecraft.client.main.Main.main(SourceFile:123)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:497)
at net.minecraft.launchwrapper.Launch.launch(Launch.java:135)
at net.minecraft.launchwrapper.Launch.main(Launch.java:28)
A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------
-- System Details --
Details:
Minecraft Version: 1.12.2
Operating System: Windows 10 (amd64) version 10.0
Java Version: 1.8.0_51, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 373233808 bytes (355 MB) / 1476395008 bytes (1408 MB) up to 2147483648 bytes (2048 MB)
JVM Flags: 8 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx2G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=32M
IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
FML: MCP 9.42 Powered by Forge 14.23.5.2854 14 mods loaded, 14 mods active
States: 'U' = Unloaded 'L' = Loaded 'C' = Constructed 'H' = Pre-initialized 'I' = Initialized 'J' = Post-initialized 'A' = Available 'D' = Disabled 'E' = Errored
| State | ID | Version | Source | Signature |
|:----- |:--------------- |:--------------- |:---------------------------------------- |:---------------------------------------- |
| LCHI | minecraft | 1.12.2 | minecraft.jar | None |
| LCHI | mcp | 9.42 | minecraft.jar | None |
| LCHI | FML | 8.0.99.99 | forge-1.12.2-14.23.5.2854.jar | e3c3d50c7c986df74c645c0ac54639741c90a557 |
| LCHI | forge | 14.23.5.2854 | forge-1.12.2-14.23.5.2854.jar | e3c3d50c7c986df74c645c0ac54639741c90a557 |
| LCHI | obfuscate | 0.2.6 | minecraft.jar | None |
| LCHI | securitycraft | v1.8.14.1 | [1.12.2]+SecurityCraft+v1.8.14.1.jar | None |
| LCHI | cdm | 0.4.1 | cdm-0.4.1-mc1.12.2.jar | None |
| LCHI | cfm | 6.3.0 | cfm-6.3.0-mc1.12.2.jar | None |
| LCHI | cgm | 0.15.3 | cgm-0.15.3-mc1.12.2.jar | None |
| LCHE | thedalekmod | (Update 58.0.0) | Dalek Mod - Update 58.jar | None |
| LCH | jei | 4.15.0.296 | jei_1.12.2-4.15.0.296.jar | None |
| LCH | scootys_scp_mod | 1.5 | SCP+Lockdown+Heavy+Expansion+1.5.1.jar | None |
| LCH | vehicle | 0.44.1 | vehicle-0.44.1-mc1.12.2.jar | None |
| LCH | worldedit | 6.1.10 | worldedit-forge-mc1.12.2-6.1.10-dist.jar | None |
Loaded coremods (and transformers):
ObfuscatePlugin (Obfuscate-Mod-1.12.2.jar)
com.mrcrayfish.obfuscate.asm.ObfuscateTransformer
GL info: ' Vendor: 'Intel' Version: '4.5.0 - Build 23.20.16.5017' Renderer: 'Intel(R) HD Graphics 500'
---- Minecraft Crash Report ----
WARNING: coremods are present:
ObfuscatePlugin (Obfuscate-Mod-1.12.2.jar)
Contact their authors BEFORE contacting forge
// This doesn't make any sense!
Time: 7/30/20 4:33 PM
Description: There was a severe problem during mod loading that has caused the game to fail
net.minecraftforge.fml.common.LoaderExceptionModCrash: Caught exception from The Dalek Mod (thedalekmod)
Caused by: java.lang.IllegalArgumentException: Failed to register dimension for id 2, One is already registered
at net.minecraftforge.common.DimensionManager.registerDimension(DimensionManager.java:134)
at com.swdteam.common.init.DMDimensions.init(DMDimensions.java:71)
at com.swdteam.main.CommonProxy.init(CommonProxy.java:37)
at com.swdteam.main.ClientProxy.init(ClientProxy.java:162)
at com.swdteam.main.TheDalekMod.init(TheDalekMod.java:96)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:497)
at net.minecraftforge.fml.common.FMLModContainer.handleModStateEvent(FMLModContainer.java:637)
at sun.reflect.GeneratedMethodAccessor8.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:497)
at com.google.common.eventbus.Subscriber.invokeSubscriberMethod(Subscriber.java:91)
at com.google.common.eventbus.Subscriber$SynchronizedSubscriber.invokeSubscriberMethod(Subscriber.java:150)
at com.google.common.eventbus.Subscriber$1.run(Subscriber.java:76)
at com.google.common.util.concurrent.MoreExecutors$DirectExecutor.execute(MoreExecutors.java:399)
at com.google.common.eventbus.Subscriber.dispatchEvent(Subscriber.java:71)
at com.google.common.eventbus.Dispatcher$PerThreadQueuedDispatcher.dispatch(Dispatcher.java:116)
at com.google.common.eventbus.EventBus.post(EventBus.java:217)
at net.minecraftforge.fml.common.LoadController.sendEventToModContainer(LoadController.java:219)
at net.minecraftforge.fml.common.LoadController.propogateStateMessage(LoadController.java:197)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:497)
at com.google.common.eventbus.Subscriber.invokeSubscriberMethod(Subscriber.java:91)
at com.google.common.eventbus.Subscriber$SynchronizedSubscriber.invokeSubscriberMethod(Subscriber.java:150)
at com.google.common.eventbus.Subscriber$1.run(Subscriber.java:76)
at com.google.common.util.concurrent.MoreExecutors$DirectExecutor.execute(MoreExecutors.java:399)
at com.google.common.eventbus.Subscriber.dispatchEvent(Subscriber.java:71)
at com.google.common.eventbus.Dispatcher$PerThreadQueuedDispatcher.dispatch(Dispatcher.java:116)
at com.google.common.eventbus.EventBus.post(EventBus.java:217)
at net.minecraftforge.fml.common.LoadController.distributeStateMessage(LoadController.java:136)
at net.minecraftforge.fml.common.Loader.initializeMods(Loader.java:749)
at net.minecraftforge.fml.client.FMLClientHandler.finishMinecraftLoading(FMLClientHandler.java:336)
at net.minecraft.client.Minecraft.func_71384_a(Minecraft.java:535)
at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:378)
at net.minecraft.client.main.Main.main(SourceFile:123)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:497)
at net.minecraft.launchwrapper.Launch.launch(Launch.java:135)
at net.minecraft.launchwrapper.Launch.main(Launch.java:28)
A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------
-- System Details --
Details:
Minecraft Version: 1.12.2
Operating System: Windows 10 (amd64) version 10.0
Java Version: 1.8.0_51, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 373233808 bytes (355 MB) / 1476395008 bytes (1408 MB) up to 2147483648 bytes (2048 MB)
JVM Flags: 8 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx2G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=32M
IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
FML: MCP 9.42 Powered by Forge 14.23.5.2854 14 mods loaded, 14 mods active
States: 'U' = Unloaded 'L' = Loaded 'C' = Constructed 'H' = Pre-initialized 'I' = Initialized 'J' = Post-initialized 'A' = Available 'D' = Disabled 'E' = Errored
| State | ID | Version | Source | Signature |
|:----- |:--------------- |:--------------- |:---------------------------------------- |:---------------------------------------- |
| LCHI | minecraft | 1.12.2 | minecraft.jar | None |
| LCHI | mcp | 9.42 | minecraft.jar | None |
| LCHI | FML | 8.0.99.99 | forge-1.12.2-14.23.5.2854.jar | e3c3d50c7c986df74c645c0ac54639741c90a557 |
| LCHI | forge | 14.23.5.2854 | forge-1.12.2-14.23.5.2854.jar | e3c3d50c7c986df74c645c0ac54639741c90a557 |
| LCHI | obfuscate | 0.2.6 | minecraft.jar | None |
| LCHI | securitycraft | v1.8.14.1 | [1.12.2]+SecurityCraft+v1.8.14.1.jar | None |
| LCHI | cdm | 0.4.1 | cdm-0.4.1-mc1.12.2.jar | None |
| LCHI | cfm | 6.3.0 | cfm-6.3.0-mc1.12.2.jar | None |
| LCHI | cgm | 0.15.3 | cgm-0.15.3-mc1.12.2.jar | None |
| LCHE | thedalekmod | (Update 58.0.0) | Dalek Mod - Update 58.jar | None |
| LCH | jei | 4.15.0.296 | jei_1.12.2-4.15.0.296.jar | None |
| LCH | scootys_scp_mod | 1.5 | SCP+Lockdown+Heavy+Expansion+1.5.1.jar | None |
| LCH | vehicle | 0.44.1 | vehicle-0.44.1-mc1.12.2.jar | None |
| LCH | worldedit | 6.1.10 | worldedit-forge-mc1.12.2-6.1.10-dist.jar | None |
Loaded coremods (and transformers):
ObfuscatePlugin (Obfuscate-Mod-1.12.2.jar)
com.mrcrayfish.obfuscate.asm.ObfuscateTransformer
GL info: ' Vendor: 'Intel' Version: '4.5.0 - Build 23.20.16.5017' Renderer: 'Intel(R) HD Graphics 500'
All generated from the log.
If you turn of the option in dimensions for custom dimension id's then you get this.