If Roblox works normally and the Teleport Failed error won’t show up while the Game Manager is running with admin rights, you have to ensure that the permission stays the same.

Refresh the page. Check the Roblox server status. Launch Roblox with admin rights. Log out, then log into Roblox. Switch to the Google DNS server. Reset network settings. Use the UWP version of ...

Roblox error code 403 is caused by an authentication error. Here's how to fix Roblox error code 403 once and for all.