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Lavalink errors and what they mean

Discord bot hostingUpdated Oct 6, 20263 min read

Check the node's Console in the panel first, and your bot's console second.

MessageWhereMeaning and fix
ECONNREFUSED, connection refusedBotThe host or port is wrong, or the node is stopped. Start it and recopy the address from Overview.
401, UnauthorizedBotThe password does not match the one in application.yml.
404 on connect, or a client that never gets readyBotThe client is for a different Lavalink version. Use a client that supports version 4.
Track loading failed, LOAD_FAILED, Sign in to confirmNodeThe source refused. Music sites change and can block bots. Update the plugin or try another source.
No matchesBotThe search found nothing, or the search source is not enabled on the node.
The node disconnects and reconnectsBotThe node restarted or is short of memory. Check the Usage graph and the console.
OutOfMemoryError, node stopsNodeNot enough memory. Move to a bigger plan.
YAML error on startNodeA mistake in application.yml, usually indentation. Restore your backup and edit again with spaces only.

Slow or choppy audio

Audio quality depends on the node's CPU and your bot's connection to it. Watch CPU on Overview while playing. If it sits at its limit, a bigger plan helps. Filters and many simultaneous players use more CPU.

Still stuck

Open a ticket with the exact console lines from the node and the bot: How to open a support ticket.

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