nce. Most often, it appears as the following error message:</p><blockquote><p>Invalid get index &lsquo;position&rsquo; (on base: &rsquo;null instance&rsquo;).</p></blockquote><h2 id=solution>Solution</h2><p>It&rsquo;s that last part, the &ldquo;null instance&rdquo;, that&rsquo;s the source of this problem, and the main source of confusion for Godot beginners.</p><p>The way to avoid this problem is to understand the concept of <em>node paths</em>.</p><h3 id=understanding-node-paths>Understanding node paths</