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FAQ (674586 visits to this link)

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Issue with launching the game with Forge
By arnoleplusboo, September 11, 2023
- didnt read faq
- 0 replies
- 2.6k views
- arnoleplusboo
- September 11, 2023
1.20.1 The game crashed whilst initializing game "Concurrent Modification Exception:null"

By GabiMusolino109, September 11, 2023
- 0 replies
- 4.5k views
- GabiMusolino109
- September 11, 2023
Разрабы дауны
By Выблядок, September 11, 2023
- needs more info
- 1 reply
- 23.5k views
- Paint_Ninja
- September 11, 2023
1.16.5 Error when trying to load a world
By Sh4d0wJ0J0, September 8, 2023
- mixin
- 2 replies
- 11.7k views
- Paint_Ninja
- September 11, 2023
Forestry problem

By Buszmen981, March 15, 2017
- 5 replies
- 6.8k views
- Paint_Ninja
- September 11, 2023
1.18.2 run.bat will not run with mods
By Rotwave, September 10, 2023
- corrupt config file
- 1 reply
- 6.7k views
- Paint_Ninja
- September 10, 2023
Error: java.lang.IllegalStateException
By nataoao, September 10, 2023
- didnt read faq
- 1 reply
- 4.9k views
- Paint_Ninja
- September 10, 2023
Error: java.lang.IllegalStateException
By nataoao, September 10, 2023
- didnt read faq
- 1 reply
- 3.9k views
- Paint_Ninja
- September 10, 2023
1.19.2 Failed to build unique mod list after mod discovery. net.minecraftforge.fml.loading.EarlyLoadingException: Duplicate mods found

By Solya, September 7, 2023
- 2 replies
- 7.9k views
- Paint_Ninja
- September 10, 2023
1.20.1 [VER 1.20.1] Server does not run when running the 'run.bat' server. Not sure how to explain it.
By syvulpie, September 8, 2023
- client-only mods on server
- 1 reply
- 9k views
- Paint_Ninja
- September 10, 2023
1.20.1 Duplicate Delegate Error
By Laura Vestbjerg, September 6, 2023
- broken mod
- 1 reply
- 8.5k views
- Paint_Ninja
- September 10, 2023
run.bat is not working
By dotxet, September 5, 2023
- wrong java version
- 1 reply
- 7.7k views
- Paint_Ninja
- September 10, 2023
I have 21 mods on and it worked fine a few days ago, but now it's getting laggier. What to do?
By jazziethejazz, September 9, 2023
- performance
- 1 reply
- 7k views
- Paint_Ninja
- September 10, 2023
1.19.2 game crashes when i try to open the game
By swaxys, September 9, 2023
- optifine
- 1 reply
- 5.3k views
- Paint_Ninja
- September 10, 2023
1.20.1 Game crash when im trying to lunch minecraft forge version 1.20.1 46.1.46 and 1.20.1 47.0.1

By Traxex, September 10, 2023
- 1 reply
- 4k views
- Paint_Ninja
- September 10, 2023
1.20.1 Please help java.lang.IllegalStateException
By Sandra Martin, September 10, 2023
- needs more info
- 1 reply
- 7.1k views
- Paint_Ninja
- September 10, 2023
mode server bug
By ehe11333, September 7, 2023
- didnt read faq
- 1 reply
- 4.7k views
- Paint_Ninja
- September 10, 2023
The game crashed whilst mouseclicked event handler Error
By XxMiniDeath6xX, September 6, 2023
- didnt read faq
- 1 reply
- 3.4k views
- Paint_Ninja
- September 10, 2023
Exception in server tick loop
By saymeow, September 5, 2023
- didnt read faq
- 2 replies
- 15.5k views
- Paint_Ninja
- September 10, 2023
"Immersive Portals Caused World Issues - Need Assistance"
By juditrjones, September 7, 2023
- didnt read faq
- 1 reply
- 4.1k views
- Paint_Ninja
- September 10, 2023
Imersive engineering crashes when rendering drill and buzzsaw
By pless vemura, September 8, 2023
- didnt read faq
- 1 reply
- 2.6k views
- Paint_Ninja
- September 10, 2023
Forge Installer won't open.
By bena, September 7, 2023
- didnt read faq
- needs more info
- 2 replies
- 8.2k views
- Paint_Ninja
- September 10, 2023
Create alloyedguns crashing
By Hallowed, September 8, 2023
- didnt read faq
- 1 reply
- 5.5k views
- Paint_Ninja
- September 10, 2023
Players can't join modded server 'book is null'
By Fuze9, September 8, 2023
- didnt read faq
- 1 reply
- 3.4k views
- Paint_Ninja
- September 10, 2023
Everytime when i try to enter in my server, hes crash
By vincehaiden, September 9, 2023
- didnt read faq
- 1 reply
- 2.9k views
- Paint_Ninja
- September 10, 2023

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Posts
- I cannot allocate more ram
  
  By TileEntity · Posted 13 hours ago
  
  Add the lines of your run.bat here
- JsonParseException Error when trying to join server.
  
  By Ugdhar · Posted 19 hours ago
  
  Please read the FAQ (orange banner at top of page), and post full logs as described there using an external site such as https://mclo.gs It is very possible there is information in the log that could point to the problem, that is why posting the entire log and not 1 line is most useful.
- I cannot allocate more ram
  
  By C24Hocker · Posted 22 hours ago
  
  I’ve tried both ways. Without the dash in the run.bat just makes it pop up in the console when launching. It does nothing in the jvm_args file and crashes it when it’s in the run.bat with dashes.
- JsonParseException Error when trying to join server.
  
  By sillyminecraftmodds · Posted Yesterday at 05:59 PM
  
  com.google.gson.JsonParseException: Error loading registry data: Unknown element: ResourceKey[minecraft:worldgen/configured_feature / ftb:apatite] I keep getting this error when trying to join the server even though I could join yesterday
- I cannot allocate more ram
  
  By TileEntity · Posted Yesterday at 05:08 PM
  
  joptsimple.UnrecognizedOptionException: X is not a recognized option JVM-Arguments begin with a - So use -Xmx6G instead of Xmx6G etc
Topics
- 3
  
  I cannot allocate more ram
  
  C24Hocker · Started Yesterday at 03:01 AM
- 1
  
  JsonParseException Error when trying to join server.
  
  sillyminecraftmodds · Started Yesterday at 05:59 PM
- 1
  
  server not working with Modlist not working even when using server pack creator
  
  LeightonkUK · Started Yesterday at 11:21 AM
- 1
  
  Need help with minecraft server
  
  syllogey · Started Yesterday at 01:58 AM
- 5
  
  java.lang.RuntimeException: null (My game refuses to start, and I can't read code
  
  Cami_Ladd · Started Tuesday at 10:17 PM
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Support & Bug Reports

Subforums

FAQ (674586 visits to this link)

38425 topics in this forum

Issue with launching the game with Forge

1.20.1 The game crashed whilst initializing game "Concurrent Modification Exception:null"

Разрабы дауны

1.16.5 Error when trying to load a world

Forestry problem

1.18.2 run.bat will not run with mods

Error: java.lang.IllegalStateException

Error: java.lang.IllegalStateException

1.19.2 Failed to build unique mod list after mod discovery. net.minecraftforge.fml.loading.EarlyLoadingException: Duplicate mods found

1.20.1 [VER 1.20.1] Server does not run when running the 'run.bat' server. Not sure how to explain it.

1.20.1 Duplicate Delegate Error

run.bat is not working

I have 21 mods on and it worked fine a few days ago, but now it's getting laggier. What to do?

1.19.2 game crashes when i try to open the game

1.20.1 Game crash when im trying to lunch minecraft forge version 1.20.1 46.1.46 and 1.20.1 47.0.1

1.20.1 Please help java.lang.IllegalStateException

mode server bug

The game crashed whilst mouseclicked event handler Error

Exception in server tick loop

"Immersive Portals Caused World Issues - Need Assistance"

Imersive engineering crashes when rendering drill and buzzsaw

Forge Installer won't open.

Create alloyedguns crashing

Players can't join modded server 'book is null'

Everytime when i try to enter in my server, hes crash

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