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Minecraft server not starting: what to do

Managed from: GamePanel. Updated 7 November 2026.

The cause is almost always written in the GamePanel console: an incompatible mod or plugin, a Minecraft version that doesn't match your mods, not enough memory, or an unaccepted eula.txt file.

  1. GamePanelConsole: start the server and read the last red lines.

    GamePanel console: every startup line is shown, the cause of a crash is in the last ones
    GamePanel console: every startup line is shown, the cause of a crash is in the last ones

  2. If a mod or plugin is named, remove it from the mods or plugins folder and restart.

  3. "OutOfMemory" message: the server is short on RAM, lighten it or move to a higher plan.

  4. After a failed update: restore the latest backup.

  5. Still stuck: open a ticket with the last 30 lines of the console.

Can't find it? Open a ticket from your client area. Terms and conditions: helloserv.fr/en/legal