Articles

 Common Causes of Lag

The first thing to do when your server appears to be lagging is to try and isolate the cause of...

 Could Not Add User To The Whitelist

The [Server] Server thread/INFO Could not add [user]to the whitelist error is most common with...

 Crash On Startup After Changing Server Version/Setup

Newer versions of Minecraft have been through multiple changes where world/chunk formatting is...

 Duplicate Mods

If your modded setup is crashing and the console is showing an error that contains [SEVERE Found...

 Failed to Adapt Server Configuration

If you are getting the "Failed to adapt server configuration" error in your console when starting...

 Failed To Check Session Lock

Failed to check session lock errors can occur randomly and usually begin with this...

 Jar File Missing

If the server is unable to load and the console is stating [INFO Error: Unable to access jarfile]...

 Missing Libraries (Forge)

This means that the full Forge installation is not present in the correct location of the server...

 NukkitX - No Mobs Spawning

This is a known/reported issue for NukkitX and has been for a while now. Unfortunately there...

 Out of Memory

Usually, out of memory errors (and other errors that are similar) is due to your server basically...

 Read Timed Out Errors

Read timed out errors are like a server crash in that you cannot join your server any longer, but...

 Server Crash / Port Bind Errors

In certain situations where your server is overloaded or simply just bugged due to plugins and/or...

 Server Not Starting - "Caused by: com.google.gson.stream.MalformedJsonException"

With the update to UUID's in 1.7.9, Minecraft also updated the file formats used for the OPs,...

 Server Offline / Loading Icon

For certain builds of server jars that you upload as a custom jar the Multicraft control panel...

 Troubleshoot Lag Problems with Spigot/PaperSpigot

With Spigot/PaperSpigot, it is possible to pin-point potential causes of lag on your server by...

 Whitelist Disabled But Getting "You Are Not Whitelisted" On Join

If the whitelist is disabled in your servers server.properties file and has been restarted to...

 Whitelist Enabled But Not Working

This is caused if the whitelist.json file format is broken. Whilst the other .json files will...

 World/Chunk Errors or Corruption

There is, unfortunately, always a risk of world/chunk errors or corruption happening on any...