Hi, i am trying to install the nodejs version 10 and 11 on ubuntu 18.04. and facing this issue during the installation

Your distribution, identified as "Ubuntu Bionic Beaver (development branch)", is a pre-release version of Ubuntu. NodeSource does not maintain official support for Ubuntu versions until they are formally released. You can try using the manual installation instructions available at https://github.com/nodesource/distributions and use the latest supported Ubuntu version name as the distribution identifier, although this is not guaranteed to work.

How to solve this?