Being a massive gaming platform, Roblox often faces unusual errors from time to time that hinders users’ experience. If you’ve recently logged on to Roblox, you may have encountered the ...

Displayed during Roblox downtime, after attempting to join a VIP server they cannot join, attempting to join a paid access game that they do not own, attempting to join a LuoBu (Roblox China ...

While this is the generic message for a server-side issue, there are a few tricks you can try to fix the issue. Check Roblox Server Status. Take a look if servers are currently down.

Second Fix: Clear Roblox Cache and Data Residual files and temporary data accumulated in the app’s storage may contain some corrupted fragments that made the app unstable.