Due to the nature of this error, there is no specific fix to this issue.
If you are a player trying to play on a server, please let the server administrators
know of this error, and or provide a link to this article for reference.
If you are the server administrator, then please ensure that you are running the latest
build(s) of your server, and/or any other "add-ons" or "plugins" to your server. As this
error pertains to scoreboards, the following criteria of modifications are affected: the use
of visible scoreboards, the use of scoreboards to customize player team name-tags, the use
of scoreboards to keep track of objectives.
If your question was not answered here, or
for further information, please contact our technical support