In my launcher when I am on the installation onmglet it displays me (Oops!An unexpected problem has occurred. We are sorry for the inconvenience. Try restarting the Launcher. If that still doesn't fix the problem please submit a bug report HERE )

In my launcher when I am on the installation onmglet it displays me (Oops!

An unexpected problem has occurred. We are sorry for the inconvenience. Try restarting the Launcher. If that still doesn't fix the problem please submit a bug report HERE )