@Thisisyourboss You didn't search enough as there are many topics on the Plutonium forum asking for this error (btw please check if there is already a topic about your problem before creating one).
It occurs because of network issues and bad connections. Using a controller can also cause the error.
Go to this topic (https://forum.plutonium.pw/topic/7614/error-client-command-overflow), there are many recommendations to follow that may solve the issue.
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