Troubleshooting

General

• Check the server log
• Fix server starting problems
• Deprecated software versions
• Server was stopped because the log file is too large

Connect

• Connect to your server
• Invalid Session / Invalid Token / Failed to verify username
• TLauncher (Minecraft: Java Edition)
• Unable to connect to world (Minecraft: Bedrock Edition)
• Allow cracked players to join (Minecraft: Java Edition)

Lags

• Lags
• Server lags
• Identify server performance issues using spark (Minecraft: Java Edition)
• Collect diagnostic information about your server connection