 version, that is usually the version number minus eleven
So if the version 20.1 is used the erts is 20.1 - 11 = 9.1<pre><code>VERSION=20.1
ERTS=9.1
</code></pre></li>
</ul>
<p>After changing the version the new erlang VM needs to be install on the system:</p>
<pre><code>./utils/build_install_erlang.sh
</code></pre><h2 id="building-a-package">Building a package</h2>
<p>The code to build a package will get the current checked out version WITHOUT local modification.
This is to ensure that packages are only bu