#what does this error mean and how to fix it
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It can mean:
- server is starting up
- lag is happening
- physics has crashed for some reason
Without more info we cant really know which one it is
this error constantly spams the console and it is possible that the server crashes because of it
@timid birch
java.lang.IllegalStateException: Tried creating rigid body from ship with UUID 29, but a rigid body already exists for this ship!
is the actual error
I've seen it before, but I don't remember what caused it
check for incompatible mods:
Here are some common incompatibilities as of 18 March 2025:
Can cause crashes:
Amendments?
Connector extras
Cosmos Heroes
Does it tick?
Eating Animation
Epic Fight / Weapons of Miracles
forgero
FancyMenu / DrippyLoadingScreen
Farmers delight?? (unsure)
Groovy mod loader
liquid burner mod
Let me despawn
Leawinds third person
Multiplayer server pause
Trajans tanks
Ready player fun?
Respawning animals
regions unexplored
Rubidium - use embeddium
Shoulder surfing
Sound physics remastered
TerraFirmaCraft
The Aether
Timeless and classic - use tac-zero
Webdisplays
Can cause visual problems (invisible ships etc):
2032 world height
Acedium
newer than 2.0.0 connectify
immersive portals
Immersive Optimization - broken contraptions on ships
Leawinds third person - freeze game on eureka helm
No see no tick
Optifine (use embeddium, iris/oculus and simple zoom for alternatives)
Very many players
Other problems:
biome music sounds - no sounds on ships
plug-in / mod hybrid server
Smaller than default world border - can't interact with ships (only 1.16 maybe?)
Starlight (server-side) - too many physics frames
simple hats - lag?
does potato tick - broken physics
nostalgia tweaks - broken sounds
Deep Mob Learning: Refrabicated - broken rendering of ships
Vanilla server jar - unable to move
Paladin's furniture - ships crashing AND splitting on assembly
Embeddium (Rubidium) Extras - Lag when ships are made (Use Embeddium++ instead)??? Not reproducable