Troubleshooting
31 posts under Troubleshooting: step-by-step fixes for connection, lag and error codes. All from the field, newest first.
31 posts
Minecraft World File Too Large Fix | Disk Cleanup Guide
Is your Minecraft world folder far too big? A guide to setting a WorldBorder, trimming chunks with MCA Selector and optimizing your server disk usage.
TroubleshootingMinecraft World Corruption Fix | Chunk Errors and Recovery
Has your Minecraft world become corrupted? A fix guide covering chunk errors, region file recovery and restoring the world safely from a working backu
TroubleshootingMinecraft Whitelist Not Working Fix | Bypass Prevention Guide
Whitelist on but everyone can still join your Minecraft server? A fix guide covering online-mode, BungeeCord bypass and the enforce-whitelist setting.
TroubleshootingMinecraft Server TPS Drop Fix | Lag and Stutter Problem
Is TPS dropping on your Minecraft server? The causes behind TPS drops, server stutter and lag, plus a step-by-step optimization guide for server admin
TroubleshootingMinecraft Skins Not Loading Fix | Steve/Alex Skin Problem
Are player skins not loading on your Minecraft server? A guide to the Steve/Alex skin problem, SkinsRestorer setup and the correct online-mode skin se
TroubleshootingMinecraft Server Crashing on Startup Fix | Server Crash Guide
Does your Minecraft server crash while starting? The causes behind Exception in server tick loop and Failed to start errors, with a clear step-by-step
TroubleshootingMinecraft Scoreboard and TAB Lag Fix | Placeholder Optimization
Is the scoreboard or TAB list lagging on your Minecraft server? Placeholder optimization, refresh interval settings and a practical performance guide.
TroubleshootingLuckPerms Prefix Not Showing Fix | Minecraft Chat Prefix Setup
LuckPerms prefix not showing on your Minecraft server? Fix it step by step with Vault, EssentialsX Chat and the correct chat format and meta settings.
TroubleshootingMinecraft Port Already in Use: Address Already in Use Fix
Getting an address already in use error on your Minecraft server? Find the process that is holding the port and switch to an alternative port, step by
TroubleshootingMinecraft Plugin Not Loading: Dependency and Compatibility Fix
Plugins not loading on your Minecraft server? Missing dependencies, version mismatches and broken jar files explained one troubleshooting step at a ti
TroubleshootingMinecraft Kicked for Flying: Flying Is Not Enabled Fix
Are players getting kicked for flying on your Minecraft server? Fix it with the allow-flight setting, anti-cheat tuning and server TPS checks, step by
TroubleshootingMinecraft Permission Denied Error: LuckPerms Fix
Getting permission denied errors on your Minecraft server? A LuckPerms permission setup and permission node guide for server admins, explained step by
TroubleshootingMinecraft Server Out of Memory: OutOfMemoryError Fix
Getting OutOfMemoryError on your Minecraft server? Fix the low RAM problem with the right Xmx settings, Spark heap analysis and memory optimization st
TroubleshootingMinecraft Nether Portal Not Working: Portal Link Fix
Nether portals not working on your Minecraft server? Fix them with Multiverse, the allow-nether setting and the right WorldGuard region flag configura
TroubleshootingMinecraft MySQL Connection Error: Connection Refused Fix
Getting MySQL connection errors on your Minecraft server? The causes behind Connection refused and Access denied, plus a step-by-step guide to fixing
TroubleshootingMinecraft Server Problems and Fixes | General Guide
A diagnosis hub for Minecraft server problems: setup, configuration, lag, connection, plugin and world errors solved category by category for server a
TroubleshootingMinecraft Server Error Troubleshooting | Log Reading and Debug
A systematic guide to Minecraft server error troubleshooting: reading logs, diagnosing exceptions, plugin conflicts, Java versions and crash report an
TroubleshootingMinecraft Server Configuration Problems | Config Fix Guide
Minecraft server configuration problems and fixes: bad server.properties, spigot.yml and paper.yml settings, YAML syntax errors and config value confl
TroubleshootingMinecraft Lag Problems | Server, Client and Network Lag
A complete guide to Minecraft lag problems: telling server, client and network lag apart, measuring TPS, diagnosing ping and fixing each type one by o
TroubleshootingMinecraft Lag Spike Fix | Periodic Freezing and GC Problem
Are periodic lag spikes hitting your Minecraft server? A fix guide covering Garbage Collection pauses, autosave and JVM flag optimization on Paper ser
TroubleshootingMinecraft Java Version Error: UnsupportedClassVersionError Fix
Getting a Java version error on your Minecraft server? Fix UnsupportedClassVersionError and install the correct Java version for your MC build, step b
TroubleshootingMinecraft Server Lag Fixing Guide | TPS and Performance
A Minecraft server lag fixing guide: view-distance, Aikar flags, moving to Paper, entity limits, Chunky pre-gen and root cause analysis with Spark pro
TroubleshootingFixing Minecraft Lag Spikes | GC Pause and Sudden Freezes
Fixing Minecraft lag spikes: stop-the-world GC pauses, chunk save spikes, backup IO, Aikar flags and diagnosing sudden freezes with the Spark profiler
TroubleshootingMinecraft Server Won't Start: EULA Not Accepted
Is your Minecraft server failing to start with an EULA error? A step-by-step guide to editing eula.txt, setting eula=true and getting the server runni
TroubleshootingMinecraft Entity Overload Crash: Mob Limit Settings
Is your Minecraft server crashing from too many entities? A practical guide to mob farm limits, ClearLagg cleanup and entity-activation-range optimiza
TroubleshootingMinecraft Commands Not Working: Unknown Command Fix
Commands not working on your Minecraft server? Fix Unknown command errors, plugin loading failures, alias conflicts and missing permissions step by st
TroubleshootingMinecraft Chunks Loading Slowly: View Distance Optimization
Are chunks loading slowly on your Minecraft server? A performance guide covering view distance, simulation distance, NVMe SSD and world pre-generation
TroubleshootingCan't Connect to Minecraft Server: Connection Timed Out Fix
Can't connect to your Minecraft server? Learn the causes behind Connection timed out and Connection refused errors, plus a step-by-step guide to fixin
TroubleshootingMinecraft: Can't Break or Place Blocks (WorldGuard Fix)
Players can't break or place blocks on your Minecraft server? Fix it with spawn protection, WorldGuard regions, game mode checks and permission nodes.
TroubleshootingBungeeCord Can't Connect: Fixing the Fallback Server Error
Can't connect to your BungeeCord or Velocity network? Fix the Could not connect to a default or fallback server error with this proxy configuration gu
TroubleshootingMinecraft Backup Restore Guide: Rollback and World Recovery
How do you restore a Minecraft server from a backup? CoreProtect rollback, file-level backup restore and world recovery explained one command at a tim
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