issue lies with a particular experience, the Roblox client, or something else in your environment. If the new experience loads without issue, the problem likely lies with the original server you were trying to join. In this case, we suggest waiting a few hours before attempting to rejoin. ...
The biggest issue this error causes is splitting upteams of players who were all in a single world. There’s no way to quickly get back into each other’s worlds. Players must rejoin the way they did initially to carry on catching Pals and grinding out weapons for boss fights....