Server Errors
Dedicated server startup failures, world corruption, TPS drops, plugin conflicts, and configuration problems.
34 errors in this category
How to Fix Failed to Bind to Port
FAILED TO BIND TO PORT! Perhaps a server is already running on that port?
How to Fix Server Failed to Start
Failed to start the minecraft server
How to Fix EULA Not Accepted
You need to agree to the EULA in order to run the server. Go to eula.txt for more info.
How to Fix World Corruption
Exception generating new chunk / Failed to load level.dat
How to Fix Chunk Corruption
Error: Chunk file at X,Z is corrupted
How to Fix Server TPS Lag
Can't keep up! Is the server overloaded?
How to Fix Server Watchdog Crash
A single server tick took 60.00 seconds (should be max 0.05)
How to Fix Whitelist Not Working
You are not white-listed on this server!
How to Fix Operator Permissions Not Working
I'm sorry, but you do not have permission to perform this command
How to Fix Plugin Failed to Load
Error occurred while enabling Plugin (Is it up to date?)
How to Fix Outdated Client
Outdated client! Please use X.XX.X
How to Fix Outdated Server
Outdated server! I'm still on X.XX.X
How to Fix Too Many Entities Lag
Skipping Entity with id X / Entity count: XXXX
How to Fix Max Tick Time Exceeded
The server has stopped responding! / max-tick-time exceeded
How to Fix Nether Portal Linking Issues
Nether portals linking to wrong locations
How to Fix Spawn Protection Blocking Players
12, 64, -8 is under spawn protection
How to Fix Data Packs Not Loading
Failed to load datapacks, can't proceed with server load
How to Fix Invalid World Type
Failed to parse level-type amplifed, defaulting to minecraft:normal
How to Fix Paper Configuration Errors
Loading a newer configuration than is supported
How to Fix Server Resource Pack Failed
Failed to download server resource pack
How to Fix permissions.yml Errors
Server permissions file permissions.yml is not valid YAML: while scanning for the next token
How to Fix Cannot Save World / Save Failed
An error occurred while saving the world / Failed to save chunk
How to Fix Session Lock Error
The save is being accessed from another location
How to Fix server.properties Resetting
server.properties reverting to defaults
How to Fix UUID Mismatch After Online Mode Change
Player data not found / Inventory lost after online-mode change
How to Fix Geyser/Floodgate Connection Errors
Geyser failed to initialize / Floodgate auth error
How to Fix Server Backup Failed
Backup failed
How to Fix Velocity/BungeeCord Proxy Errors
If you wish to use IP forwarding, please enable it in your BungeeCord config
How to Fix RCON Not Connecting
No rcon password set in server.properties, rcon disabled!
How to Fix World Border Problems
Double must not be more than 5.9999968E7: found 6.0E7
How to Fix Random Lag Spikes on Server
Server experiencing intermittent lag spikes / TPS drops periodically
How to Fix Query Port Error
Unable to initialise query system on 0.0.0.0:25565
How to Fix Server Difficulty Locked
Are you sure you want to lock the difficulty of this world? This will set this world to always be Normal, and you will never be able to change that again.
How to Fix Tick Rate Issues (1.20.5+)
The game is running, but can't keep up with the target tick rate