Message Code</td><td>IST0101</td></tr><tr><td>Description</td><td>A resource being referenced does not exist.</td></tr><tr><td>Level</td><td>Error</td></tr></tbody></table></div><p>This message occurs when an Istio resource references another resource that does
not exist. This will lead to errors when Istio tries to look up the referenced
resource but cannot find it.</p><p>For example, you receive this error:</p><pre><code class=language-plain data-expandlinks=true data-repo=istio>Error [IST0101] (VirtualSe